Wikipedia:Vital articles/data/R.json

{	"Religion": { "level": 2, "topic": "Philosophy and religion", "section": "Philosophy and religion" },	"Ramesses II": { "level": 3, "topic": "People", "section": "Leaders and politicians" },	"Roald Amundsen": { "level": 3, "topic": "People", "section": "Explorers" },	"Rembrandt": { "level": 3, "topic": "People", "section": "Artists" },	"René Descartes": { "level": 3, "topic": "People", "section": "Philosophers and social scientists" },	"Rumi": { "level": 3, "topic": "People", "section": "Writers" },	"Rabindranath Tagore": { "level": 3, "topic": "People", "section": "Writers" },	"Renaissance": { "level": 3, "topic": "History", "section": "Modern history" },	"Reformation": { "level": 3, "topic": "History", "section": "Modern history" },	"Rocky Mountains": { "level": 3, "topic": "Geography", "section": "Terrestrial features" },	"River": { "level": 3, "topic": "Physical sciences", "section": "Hydrological features" },	"Russia": { "level": 3, "topic": "Geography", "section": "Countries" },	"Rome": { "level": 3, "topic": "Geography", "section": "Cities" },	"Realism (arts)": { "level": 3, "topic": "Arts", "section": "Artistic movements" },	"Romanticism": { "level": 3, "topic": "Arts", "section": "Artistic movements" },	"Rock music": { "level": 3, "topic": "Arts", "section": "Music" },	"Reason": { "level": 3, "topic": "Philosophy and religion", "section": "Philosophical branches and concepts" },	"Ritual": { "level": 3, "topic": "Philosophy and religion", "section": "Religion" },	"Rice": { "level": 3, "topic": "Biology and health sciences", "section": "Food and drink" },	"Retail": { "level": 3, "topic": "Society and social sciences", "section": "Business and economics" },	"Racism": { "level": 3, "topic": "Society and social sciences", "section": "Social issues" },	"Russian language": { "level": 3, "topic": "Society and social sciences", "section": "Language" },	"Radioactive decay": { "level": 3, "topic": "Physical sciences", "section": "Physics" },	"Rodent": { "level": 3, "topic": "Biology and health sciences", "section": "Biology" },	"Reptile": { "level": 3, "topic": "Biology and health sciences", "section": "Biology" },	"Reproduction": { "level": 3, "topic": "Biology and health sciences", "section": "Biology" },	"RNA": { "level": 3, "topic": "Biology and health sciences", "section": "Chemistry" },	"Redox": { "level": 3, "topic": "Physical sciences", "section": "Chemistry" },	"Rain": { "level": 3, "topic": "Physical sciences", "section": "Earth science" },	"Rock (geology)": { "level": 3, "topic": "Physical sciences", "section": "Earth science" },	"Renewable energy": { "level": 3, "topic": "Technology", "section": "Energy" },	"Refrigeration": { "level": 3, "topic": "Technology", "section": "Food and health" },	"Robotics": { "level": 3, "topic": "Technology", "section": "Tools and machinery" },	"Radio": { "level": 3, "topic": "Technology", "section": "Media and communication" },	"Rocket": { "level": 3, "topic": "Technology", "section": "Space" },	"Road": { "level": 3, "topic": "Technology", "section": "Transportation" },	"Radar": { "level": 3, "topic": "Technology", "section": "Navigation and timekeeping" },	"Real number": { "level": 3, "topic": "Mathematics", "section": "Counting and numbers" },	"Renaissance architecture": { "level": 4, "topic": "Arts", "section": "Styles" },	"Romanesque architecture": { "level": 4, "topic": "Arts", "section": "Styles" },	"Rijksmuseum": { "level": 4, "topic": "Arts", "section": "Europe" },	"Romance novel": { "level": 4, "topic": "Arts", "section": "Basics" },	"Rhyme": { "level": 4, "topic": "Arts", "section": "Basics" },	"Russian literature": { "level": 4, "topic": "Arts", "section": "Literatures by language and area" },	"Romance of the Three Kingdoms": { "level": 4, "topic": "Arts", "section": "Fiction of antiquity" },	"Robinson Crusoe": { "level": 4, "topic": "Arts", "section": "Fiction of early printed book era" },	"Romeo and Juliet": { "level": 4, "topic": "Arts", "section": "Fiction of early printed book era" },	"Republic (Plato)": { "level": 4, "topic": "Arts", "section": "Nonfiction of antiquity" },	"Rubaiyat of Omar Khayyam": { "level": 4, "topic": "Arts", "section": "Poetic works of early printed book era" },	"Rhythm": { "level": 4, "topic": "Arts", "section": "Basics_2" },	"Recorder (musical instrument)": { "level": 4, "topic": "Arts", "section": "Musical instruments" },	"Renaissance music": { "level": 4, "topic": "Arts", "section": "Western classical music" },	"Romantic music": { "level": 4, "topic": "Arts", "section": "Western classical music" },	"Rapping": { "level": 4, "topic": "Arts", "section": "Popular music" },	"Ragtime": { "level": 4, "topic": "Arts", "section": "Popular music" },	"Reggae": { "level": 4, "topic": "Arts", "section": "Popular music" },	"Rhythm and blues": { "level": 4, "topic": "Arts", "section": "Popular music" },	"Rock and roll": { "level": 4, "topic": "Arts", "section": "Popular music" },	"Rhapsody in Blue": { "level": 4, "topic": "Arts", "section": "Modern" },	"Rock art": { "level": 4, "topic": "Arts", "section": "Pre-modern art" },	"Renaissance art": { "level": 4, "topic": "Arts", "section": "Pre-modern art" },	"Rococo": { "level": 4, "topic": "Arts", "section": "Pre-modern art" },	"Roman art": { "level": 4, "topic": "Arts", "section": "Pre-modern art" },	"Romanesque art": { "level": 4, "topic": "Arts", "section": "Pre-modern art" },	"Religious art": { "level": 4, "topic": "Arts", "section": "Concepts and forms" },	"Robin Hood": { "level": 4, "topic": "Arts", "section": "Western folklore" },	"Red blood cell": { "level": 4, "topic": "Biology and health sciences", "section": "Circulatory system" },	"Reproductive system": { "level": 4, "topic": "Biology and health sciences", "section": "Reproductive system" },	"Respiratory system": { "level": 4, "topic": "Biology and health sciences", "section": "Respiratory system" },	"Root": { "level": 4, "topic": "Biology and health sciences", "section": "Plant: General" },	"Respiration (physiology)": { "level": 4, "topic": "Biology and health sciences", "section": "Basics_3" },	"Ribosome": { "level": 4, "topic": "Biology and health sciences", "section": "Organelles" },	"Remora": { "level": 4, "topic": "Biology and health sciences", "section": "Perciformes" },	"Rattlesnake": { "level": 4, "topic": "Biology and health sciences", "section": "Reptiles" },	"Red-eared slider": { "level": 4, "topic": "Biology and health sciences", "section": "Reptiles" },	"Rock dove": { "level": 4, "topic": "Biology and health sciences", "section": "Columbiformes" },	"River kingfisher": { "level": 4, "topic": "Biology and health sciences", "section": "Coraciiformes" },	"Rail (bird)": { "level": 4, "topic": "Biology and health sciences", "section": "Gruiformes" },	"Rhea (bird)": { "level": 4, "topic": "Biology and health sciences", "section": "Ratites" },	"Resplendent quetzal": { "level": 4, "topic": "Biology and health sciences", "section": "Trogoniformes" },	"Ruminant": { "level": 4, "topic": "Biology and health sciences", "section": "Artiodactyla" },	"Red deer": { "level": 4, "topic": "Biology and health sciences", "section": "Artiodactyla" },	"Reindeer": { "level": 4, "topic": "Biology and health sciences", "section": "Artiodactyla" },	"Rabbit": { "level": 4, "topic": "Biology and health sciences", "section": "Lagomorphs" },	"Rhinoceros": { "level": 4, "topic": "Biology and health sciences", "section": "Perissodactyla" },	"Rhesus macaque": { "level": 4, "topic": "Biology and health sciences", "section": "Primates" },	"Rat": { "level": 4, "topic": "Biology and health sciences", "section": "Rodents" },	"Rhododendron": { "level": 4, "topic": "Biology and health sciences", "section": "Ericales" },	"Rubiaceae": { "level": 4, "topic": "Biology and health sciences", "section": "Gentianales" },	"Rosaceae": { "level": 4, "topic": "Biology and health sciences", "section": "Rosales" },	"Rose": { "level": 4, "topic": "Biology and health sciences", "section": "Rosales" },	"Raspberry": { "level": 4, "topic": "Biology and health sciences", "section": "Culinary fruits" },	"Rye": { "level": 4, "topic": "Biology and health sciences", "section": "Grains" },	"Rapeseed": { "level": 4, "topic": "Biology and health sciences", "section": "Leafy vegetables" },	"Radish": { "level": 4, "topic": "Biology and health sciences", "section": "Root vegetables" },	"Rutabaga": { "level": 4, "topic": "Biology and health sciences", "section": "Root vegetables" },	"Rhizaria": { "level": 4, "topic": "Biology and health sciences", "section": "Other organisms" },	"Red algae": { "level": 4, "topic": "Biology and health sciences", "section": "Other organisms" },	"Root canal": { "level": 4, "topic": "Biology and health sciences", "section": "Dentistry" },	"Radiology": { "level": 4, "topic": "Biology and health sciences", "section": "Fields of medicine" },	"Reflex": { "level": 4, "topic": "Biology and health sciences", "section": "Medical procedures" },	"Radiation therapy": { "level": 4, "topic": "Biology and health sciences", "section": "Medical procedures" },	"Respiratory failure": { "level": 4, "topic": "Biology and health sciences", "section": "Injury" },	"Rabies": { "level": 4, "topic": "Biology and health sciences", "section": "Infectious disease" },	"Restaurant": { "level": 4, "topic": "Everyday life", "section": "Preparation and serving" },	"Rum": { "level": 4, "topic": "Everyday life", "section": "Alcoholic drinks" },	"Romance (love)": { "level": 4, "topic": "Everyday life", "section": "Marriage and parenting" },	"Riddle": { "level": 4, "topic": "Everyday life", "section": "Entertainment and leisure" },	"Recreation": { "level": 4, "topic": "Everyday life", "section": "Recreation and tourism" },	"Rubik's Cube": { "level": 4, "topic": "Everyday life", "section": "Toys" },	"Roulette": { "level": 4, "topic": "Everyday life", "section": "Games" },	"Rugby football": { "level": 4, "topic": "Everyday life", "section": "Team sports" },	"Rugby league": { "level": 4, "topic": "Everyday life", "section": "Team sports" },	"Rugby sevens": { "level": 4, "topic": "Everyday life", "section": "Team sports" },	"Rugby union": { "level": 4, "topic": "Everyday life", "section": "Team sports" },	"Rugby World Cup": { "level": 4, "topic": "Everyday life", "section": "Team sports" },	"Running": { "level": 4, "topic": "Everyday life", "section": "Athletics" },	"Roller skating": { "level": 4, "topic": "Everyday life", "section": "Skating" },	"Rowing (sport)": { "level": 4, "topic": "Everyday life", "section": "Water sports" },	"Rock climbing": { "level": 4, "topic": "Everyday life", "section": "Other individual sports" },	"Rodeo": { "level": 4, "topic": "Everyday life", "section": "Other individual sports" },	"Remote sensing": { "level": 4, "topic": "Geography", "section": "Cartography" },	"Red Sea": { "level": 4, "topic": "Geography", "section": "Oceans and seas" },	"Ross Sea": { "level": 4, "topic": "Geography", "section": "Oceans and seas" },	"Rio Grande": { "level": 4, "topic": "Geography", "section": "North America_2" },	"Rio Negro (Amazon)": { "level": 4, "topic": "Geography", "section": "South America_2" },	"Río de la Plata": { "level": 4, "topic": "Geography", "section": "South America_2" },	"Rhine": { "level": 4, "topic": "Geography", "section": "Europe_2" },	"River Thames": { "level": 4, "topic": "Geography", "section": "Europe_2" },	"Réunion": { "level": 4, "topic": "Geography", "section": "Africa_3" },	"Ryukyu Islands": { "level": 4, "topic": "Geography", "section": "Asia_3" },	"Ring of Fire": { "level": 4, "topic": "Geography", "section": "Land relief: General" },	"Royal National Park": { "level": 4, "topic": "Geography", "section": "Oceania_6" },	"Republic of the Congo": { "level": 4, "topic": "Geography", "section": "Central Africa" },	"Rwanda": { "level": 4, "topic": "Geography", "section": "East Africa" },	"Republic of Ireland": { "level": 4, "topic": "Geography", "section": "Northern Europe" },	"Romania": { "level": 4, "topic": "Geography", "section": "Eastern Europe" },	"Rajasthan": { "level": 4, "topic": "Geography", "section": "India" },	"Rural area": { "level": 4, "topic": "Geography", "section": "Urban studies and planning" },	"Rabat": { "level": 4, "topic": "Geography", "section": "Morocco" },	"Ranchi": { "level": 4, "topic": "Geography", "section": "East India" },	"Raipur": { "level": 4, "topic": "Geography", "section": "Central India" },	"Rawalpindi": { "level": 4, "topic": "Geography", "section": "Pakistan_2" },	"Riyadh": { "level": 4, "topic": "Geography", "section": "Saudi Arabia" },	"Riga": { "level": 4, "topic": "Geography", "section": "Latvia" },	"Rostov-on-Don": { "level": 4, "topic": "Geography", "section": "Russia_2" },	"Rotterdam": { "level": 4, "topic": "Geography", "section": "Netherlands" },	"Recife": { "level": 4, "topic": "Geography", "section": "Brazil" },	"Rio de Janeiro": { "level": 4, "topic": "Geography", "section": "Brazil" },	"Rosario": { "level": 4, "topic": "Geography", "section": "Argentina" },	"Roman–Persian Wars": { "level": 4, "topic": "History", "section": "Central Asia, Iran, Caucasus" },	"Roman Kingdom": { "level": 4, "topic": "History", "section": "Europe_2" },	"Roman Republic": { "level": 4, "topic": "History", "section": "Europe_2" },	"Roman Empire": { "level": 4, "topic": "History", "section": "Europe_2" },	"Rurikids": { "level": 4, "topic": "History", "section": "Eastern Europe and Central" },	"Reconquista": { "level": 4, "topic": "History", "section": "Spain" },	"Republic of Genoa": { "level": 4, "topic": "History", "section": "Italy" },	"Republic of Venice": { "level": 4, "topic": "History", "section": "Italy" },	"Russo-Japanese War": { "level": 4, "topic": "History", "section": "East Asia_4" },	"Revolutions of 1848": { "level": 4, "topic": "History", "section": "Basics_4" },	"Russian Revolution of 1905": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Revolutions of 1989": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Russian Civil War": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Russian Empire": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Russian Revolution": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Russo-Turkish War (1877–1878)": { "level": 4, "topic": "History", "section": "Eastern Europe" },	"Rwandan genocide": { "level": 4, "topic": "History", "section": "Africa_5" },	"Radiocarbon dating": { "level": 4, "topic": "History", "section": "Auxiliary historical sciences" },	"Rational number": { "level": 4, "topic": "Mathematics", "section": "Basics" },	"Roman numerals": { "level": 4, "topic": "Mathematics", "section": "Basics" },	"Right angle": { "level": 4, "topic": "Mathematics", "section": "Geometry" },	"Riemannian geometry": { "level": 4, "topic": "Mathematics", "section": "Geometry" },	"Representation theory": { "level": 4, "topic": "Mathematics", "section": "Algebra" },	"Ring theory": { "level": 4, "topic": "Mathematics", "section": "Algebra" },	"Ring (mathematics)": { "level": 4, "topic": "Mathematics", "section": "Algebra" },	"Regression analysis": { "level": 4, "topic": "Mathematics", "section": "Statistics and probability" },	"Randomized controlled trial": { "level": 4, "topic": "Mathematics", "section": "Statistics and probability" },	"Random variable": { "level": 4, "topic": "Mathematics", "section": "Statistics and probability" },	"Russell's paradox": { "level": 4, "topic": "Mathematics", "section": "Discrete mathematics" },	"Riemann surface": { "level": 4, "topic": "Mathematics", "section": "Calculus and analysis" },	"Real analysis": { "level": 4, "topic": "Mathematics", "section": "Calculus and analysis" },	"Riemann hypothesis": { "level": 4, "topic": "Mathematics", "section": "Other" },	"Robert De Niro": { "level": 4, "topic": "People", "section": "Actors" },	"Rita Hayworth": { "level": 4, "topic": "People", "section": "Actors" },	"Rajinikanth": { "level": 4, "topic": "People", "section": "Actors" },	"Rudolph Valentino": { "level": 4, "topic": "People", "section": "Actors" },	"Rudolf Nureyev": { "level": 4, "topic": "People", "section": "Ballet" },	"Richard Pryor": { "level": 4, "topic": "People", "section": "Comedians" },	"Raphael": { "level": 4, "topic": "People", "section": "Renaissance to early modern" },	"René Magritte": { "level": 4, "topic": "People", "section": "Modern (painters)" },	"Raymond Loewy": { "level": 4, "topic": "People", "section": "Designers" },	"Robert Moses": { "level": 4, "topic": "People", "section": "Urban planners" },	"Rudaki": { "level": 4, "topic": "People", "section": "Asia_2" },	"Robert Burns": { "level": 4, "topic": "People", "section": "Europe_3" },	"Ray Bradbury": { "level": 4, "topic": "People", "section": "US and Canada" },	"Raymond Chandler": { "level": 4, "topic": "People", "section": "US and Canada" },	"Ralph Waldo Emerson": { "level": 4, "topic": "People", "section": "US and Canada" },	"Robert Frost": { "level": 4, "topic": "People", "section": "US and Canada" },	"Robert A. Heinlein": { "level": 4, "topic": "People", "section": "US and Canada" },	"Rainer Maria Rilke": { "level": 4, "topic": "People", "section": "Western Europe" },	"Roald Dahl": { "level": 4, "topic": "People", "section": "UK and Ireland" },	"Rudyard Kipling": { "level": 4, "topic": "People", "section": "UK and Ireland" },	"Robert Louis Stevenson": { "level": 4, "topic": "People", "section": "UK and Ireland" },	"Ryūnosuke Akutagawa": { "level": 4, "topic": "People", "section": "Asia_4" },	"Rupert Murdoch": { "level": 4, "topic": "People", "section": "Journalists" },	"Robert Schumann": { "level": 4, "topic": "People", "section": "Romantic" },	"Richard Strauss": { "level": 4, "topic": "People", "section": "Romantic" },	"Richard Wagner": { "level": 4, "topic": "People", "section": "Romantic" },	"Ralph Vaughan Williams": { "level": 4, "topic": "People", "section": "20th century modern" },	"Ravi Shankar": { "level": 4, "topic": "People", "section": "Hindustani classical" },	"Ray Charles": { "level": 4, "topic": "People", "section": "Blues, R\u0026amp;B, and soul" },	"Robert Johnson": { "level": 4, "topic": "People", "section": "Blues, R\u0026amp;B, and soul" },	"Rodgers and Hammerstein": { "level": 4, "topic": "People", "section": "Musical comedy and lyricists" },	"Robert Bresson": { "level": 4, "topic": "People", "section": "Directors" },	"Raj Kapoor": { "level": 4, "topic": "People", "section": "Directors" },	"Roman Polanski": { "level": 4, "topic": "People", "section": "Directors" },	"Rothschild family": { "level": 4, "topic": "People", "section": "Businesspeople" },	"Robert Falcon Scott": { "level": 4, "topic": "People", "section": "Modern_2" },	"Raymond Cattell": { "level": 4, "topic": "People", "section": "Psychologists" },	"Ramanuja": { "level": 4, "topic": "People", "section": "Post-classical_7" },	"Ramakrishna": { "level": 4, "topic": "People", "section": "Modern_6" },	"Ramana Maharshi": { "level": 4, "topic": "People", "section": "Modern_6" },	"Rabbi Akiva": { "level": 4, "topic": "People", "section": "Judaism" },	"Rashi": { "level": 4, "topic": "People", "section": "Judaism" },	"Ramesses III": { "level": 4, "topic": "People", "section": "Egypt" },	"Ram Khamhaeng": { "level": 4, "topic": "People", "section": "Southeastern Asia" },	"Rajaraja I": { "level": 4, "topic": "People", "section": "Southern Asia_2" },	"Richard I of England": { "level": 4, "topic": "People", "section": "England and Scotland" },	"Robert the Bruce": { "level": 4, "topic": "People", "section": "England and Scotland" },	"Robert Guiscard": { "level": 4, "topic": "People", "section": "Italy" },	"Roger II of Sicily": { "level": 4, "topic": "People", "section": "Italy" },	"Robert Clive": { "level": 4, "topic": "People", "section": "Southern Asia_3" },	"Rama I": { "level": 4, "topic": "People", "section": "Southeastern Asia_2" },	"Roxelana": { "level": 4, "topic": "People", "section": "Western Asia_3" },	"Robert Walpole": { "level": 4, "topic": "People", "section": "England and Scotland_2" },	"Rainilaiarivony": { "level": 4, "topic": "People", "section": "Eastern Africa" },	"Robert Mugabe": { "level": 4, "topic": "People", "section": "Southern and Central Africa" },	"Rafael Trujillo": { "level": 4, "topic": "People", "section": "Central America and the Caribbean" },	"Richard Nixon": { "level": 4, "topic": "People", "section": "United States_2" },	"Ronald Reagan": { "level": 4, "topic": "People", "section": "United States_2" },	"Ruhollah Khomeini": { "level": 4, "topic": "People", "section": "Central Asia, Iran, Caucasus_3" },	"Robert Peel": { "level": 4, "topic": "People", "section": "United Kingdom" },	"Robert Baden-Powell, 1st Baron Baden-Powell": { "level": 4, "topic": "People", "section": "Modern_8" },	"Robert E. Lee": { "level": 4, "topic": "People", "section": "Modern_8" },	"Rosa Parks": { "level": 4, "topic": "People", "section": "United States_3" },	"Rani of Jhansi": { "level": 4, "topic": "People", "section": "Asia_9" },	"Rosa Luxemburg": { "level": 4, "topic": "People", "section": "Europe_9" },	"Robert Hooke": { "level": 4, "topic": "People", "section": "Early modern_9" },	"Richard Feynman": { "level": 4, "topic": "People", "section": "Modern_10" },	"Robert Andrews Millikan": { "level": 4, "topic": "People", "section": "Modern_10" },	"Robert Boyle": { "level": 4, "topic": "People", "section": "Chemistry" },	"Robert Burns Woodward": { "level": 4, "topic": "People", "section": "Chemistry" },	"Rachel Carson": { "level": 4, "topic": "People", "section": "Biology" },	"Rosalind Franklin": { "level": 4, "topic": "People", "section": "Biology" },	"Robert Koch": { "level": 4, "topic": "People", "section": "Medicine" },	"Rudolf Diesel": { "level": 4, "topic": "People", "section": "Inventors and engineers" },	"Robert Fulton": { "level": 4, "topic": "People", "section": "Inventors and engineers" },	"Robert H. Goddard": { "level": 4, "topic": "People", "section": "Inventors and engineers" },	"Ronald Fisher": { "level": 4, "topic": "People", "section": "Modern_11" },	"Roger Federer": { "level": 4, "topic": "People", "section": "Tennis" },	"Rod Laver": { "level": 4, "topic": "People", "section": "Tennis" },	"Rafael Nadal": { "level": 4, "topic": "People", "section": "Tennis" },	"Ronaldo (Brazilian footballer)": { "level": 4, "topic": "People", "section": "Association football" },	"Renaissance philosophy": { "level": 4, "topic": "Philosophy and religion", "section": "Philosophy by region and period" },	"Relativism": { "level": 4, "topic": "Philosophy and religion", "section": "Approaches" },	"Rationalism": { "level": 4, "topic": "Philosophy and religion", "section": "Approaches_2" },	"Reality": { "level": 4, "topic": "Philosophy and religion", "section": "Concepts_3" },	"Reductionism": { "level": 4, "topic": "Philosophy and religion", "section": "Philosophy of science" },	"Relic": { "level": 4, "topic": "Philosophy and religion", "section": "Practices" },	"Religious conversion": { "level": 4, "topic": "Philosophy and religion", "section": "Practices" },	"Religious experience": { "level": 4, "topic": "Philosophy and religion", "section": "Beliefs" },	"Reincarnation": { "level": 4, "topic": "Philosophy and religion", "section": "Afterlife" },	"Resurrection": { "level": 4, "topic": "Philosophy and religion", "section": "Afterlife" },	"Rastafari": { "level": 4, "topic": "Philosophy and religion", "section": "Main branches" },	"Rabbi": { "level": 4, "topic": "Philosophy and religion", "section": "Judaism" },	"Reform Judaism": { "level": 4, "topic": "Philosophy and religion", "section": "Judaism" },	"Russian Orthodox Church": { "level": 4, "topic": "Philosophy and religion", "section": "Branches" },	"Reformed Christianity": { "level": 4, "topic": "Philosophy and religion", "section": "Branches" },	"Ramayana": { "level": 4, "topic": "Philosophy and religion", "section": "Hinduism" },	"Religion in ancient Rome": { "level": 4, "topic": "Philosophy and religion", "section": "Ancient religions" },	"Religion in pre-Islamic Arabia": { "level": 4, "topic": "Philosophy and religion", "section": "Ancient religions" },	"Roman mythology": { "level": 4, "topic": "Philosophy and religion", "section": "By culture" },	"Ra": { "level": 4, "topic": "Philosophy and religion", "section": "Egyptian mythology" },	"Rama": { "level": 4, "topic": "Philosophy and religion", "section": "Hindu mythology" },	"Research": { "level": 4, "topic": "Physical sciences", "section": "Basics" },	"Radian": { "level": 4, "topic": "Physical sciences", "section": "Angle" },	"Rigel": { "level": 4, "topic": "Physical sciences", "section": "Notable stars" },	"Ring Nebula": { "level": 4, "topic": "Physical sciences", "section": "Notable nebulae" },	"Radio galaxy": { "level": 4, "topic": "Physical sciences", "section": "Active galactic nucleus" },	"Redshift": { "level": 4, "topic": "Physical sciences", "section": "Physical cosmology" },	"Ring system": { "level": 4, "topic": "Physical sciences", "section": "Planetary science" },	"Red giant": { "level": 4, "topic": "Physical sciences", "section": "Stellar astronomy" },	"Radical (chemistry)": { "level": 4, "topic": "Physical sciences", "section": "Chemical reactions" },	"Reaction mechanism": { "level": 4, "topic": "Physical sciences", "section": "Chemical reactions" },	"Rubidium": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Ruthenium": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Rhodium": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Rhenium": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Radon": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Radium": { "level": 4, "topic": "Physical sciences", "section": "Chemical elements_2" },	"Ruby": { "level": 4, "topic": "Physical sciences", "section": "Mineral gemstones" },	"Rapids": { "level": 4, "topic": "Physical sciences", "section": "Fluvial landforms" },	"Rainforest": { "level": 4, "topic": "Physical sciences", "section": "Forests" },	"Rainbow": { "level": 4, "topic": "Physical sciences", "section": "Atmospheric optics" },	"River delta": { "level": 4, "topic": "Physical sciences", "section": "Hydrology" },	"Radiation": { "level": 4, "topic": "Physical sciences", "section": "Basics_6" },	"Rutherford scattering experiments": { "level": 4, "topic": "Physical sciences", "section": "Atomic physics" },	"Reflection (physics)": { "level": 4, "topic": "Physical sciences", "section": "Optics" },	"Refraction": { "level": 4, "topic": "Physical sciences", "section": "Optics" },	"Refractive index": { "level": 4, "topic": "Physical sciences", "section": "Optics" },	"RGB color model": { "level": 4, "topic": "Physical sciences", "section": "Basics_7" },	"Red": { "level": 4, "topic": "Physical sciences", "section": "Color terms" },	"Radio wave": { "level": 4, "topic": "Physical sciences", "section": "Electrodynamics" },	"Relativistic mechanics": { "level": 4, "topic": "Physical sciences", "section": "Basics_10" },	"Rotation": { "level": 4, "topic": "Physical sciences", "section": "Classical mechanics" },	"Reynolds number": { "level": 4, "topic": "Physical sciences", "section": "Fluid mechanics" },	"Resonance": { "level": 4, "topic": "Physical sciences", "section": "Waves" },	"Real estate": { "level": 4, "topic": "Society and social sciences", "section": "Business and economics: General" },	"Renminbi": { "level": 4, "topic": "Society and social sciences", "section": "Specific currencies" },	"Retirement": { "level": 4, "topic": "Society and social sciences", "section": "Employment" },	"Rosh Hashanah": { "level": 4, "topic": "Society and social sciences", "section": "Festivals, holidays, and observances" },	"Ramadan": { "level": 4, "topic": "Society and social sciences", "section": "Festivals, holidays, and observances" },	"Romani people": { "level": 4, "topic": "Society and social sciences", "section": "Ethnic groups" },	"Reading": { "level": 4, "topic": "Society and social sciences", "section": "Basics_2" },	"Rhetoric": { "level": 4, "topic": "Society and social sciences", "section": "Basics_2" },	"Romance languages": { "level": 4, "topic": "Society and social sciences", "section": "Language families" },	"Rosetta Stone": { "level": 4, "topic": "Society and social sciences", "section": "Alphabets and writing systems" },	"Runes": { "level": 4, "topic": "Society and social sciences", "section": "Alphabets and writing systems" },	"Romanian language": { "level": 4, "topic": "Society and social sciences", "section": "Romance languages" },	"Rights": { "level": 4, "topic": "Society and social sciences", "section": "Basics_3" },	"Robbery": { "level": 4, "topic": "Society and social sciences", "section": "Crime" },	"Rape": { "level": 4, "topic": "Society and social sciences", "section": "Crime" },	"Rule of law": { "level": 4, "topic": "Society and social sciences", "section": "Institutions and professions" },	"Religious law": { "level": 4, "topic": "Society and social sciences", "section": "Subjects" },	"Reality television": { "level": 4, "topic": "Society and social sciences", "section": "Television" },	"Referendum": { "level": 4, "topic": "Society and social sciences", "section": "Politics" },	"Revolution": { "level": 4, "topic": "Society and social sciences", "section": "Politics" },	"Riot": { "level": 4, "topic": "Society and social sciences", "section": "Politics" },	"Republic": { "level": 4, "topic": "Society and social sciences", "section": "Forms of government" },	"Respect": { "level": 4, "topic": "Society and social sciences", "section": "Interpersonal relations" },	"Remorse": { "level": 4, "topic": "Society and social sciences", "section": "Emotions and traits" },	"Race (human categorization)": { "level": 4, "topic": "Society and social sciences", "section": "Social status" },	"Refugee": { "level": 4, "topic": "Society and social sciences", "section": "Basics_6" },	"Religious war": { "level": 4, "topic": "Society and social sciences", "section": "Wars by type" },	"Random-access memory": { "level": 4, "topic": "Technology", "section": "Data storage" },	"Read-only memory": { "level": 4, "topic": "Technology", "section": "Data storage" },	"Router (computing)": { "level": 4, "topic": "Technology", "section": "Networks" },	"Remote control": { "level": 4, "topic": "Technology", "section": "Basics_4" },	"Resistor": { "level": 4, "topic": "Technology", "section": "Components" },	"Relay": { "level": 4, "topic": "Technology", "section": "Components" },	"Recycling": { "level": 4, "topic": "Technology", "section": "Basics_6" },	"Rolling (metalworking)": { "level": 4, "topic": "Technology", "section": "Metallurgy" },	"Roof": { "level": 4, "topic": "Technology", "section": "Architectural elements" },	"Room": { "level": 4, "topic": "Technology", "section": "Architectural elements" },	"Reservoir": { "level": 4, "topic": "Technology", "section": "Hydraulic infrastructure" },	"Robot": { "level": 4, "topic": "Technology", "section": "Basics_8" },	"Rope": { "level": 4, "topic": "Technology", "section": "Components_2" },	"Rivet": { "level": 4, "topic": "Technology", "section": "Components_2" },	"Ruler": { "level": 4, "topic": "Technology", "section": "Measuring instruments" },	"Rake (tool)": { "level": 4, "topic": "Technology", "section": "Agricultural tools" },	"Refrigerator": { "level": 4, "topic": "Technology", "section": "Household appliances" },	"Radio broadcasting": { "level": 4, "topic": "Technology", "section": "Media and communication" },	"Radiography": { "level": 4, "topic": "Technology", "section": "Imaging" },	"Rapier": { "level": 4, "topic": "Technology", "section": "Melee weapons" },	"Rifle": { "level": 4, "topic": "Technology", "section": "Projectile weapons" },	"Radio telescope": { "level": 4, "topic": "Technology", "section": "Optical instruments" },	"Rocket engine": { "level": 4, "topic": "Technology", "section": "Basics_10" },	"Roscosmos": { "level": 4, "topic": "Technology", "section": "Programs and launch sites" },	"Road transport": { "level": 4, "topic": "Technology", "section": "Road transport" },	"Rickshaw": { "level": 4, "topic": "Technology", "section": "Road transport" },	"Rail transport": { "level": 4, "topic": "Technology", "section": "Trains" },	"Railway track": { "level": 4, "topic": "Technology", "section": "Trains" },	"Rapid transit": { "level": 4, "topic": "Technology", "section": "Trains" },	"Riverboat": { "level": 4, "topic": "Technology", "section": "Maritime transport" },	"Rock-cut architecture": { "level": 5, "topic": "Arts", "section": "Prehistory and ancient history" },	"Renaissance Revival architecture": { "level": 5, "topic": "Arts", "section": "Modern era" },	"Revivalism (architecture)": { "level": 5, "topic": "Arts", "section": "Modern era" },	"Rock-Hewn Churches, Lalibela": { "level": 5, "topic": "Arts", "section": "Africa" },	"Rockefeller Center": { "level": 5, "topic": "Arts", "section": "Americas" },	"Red Fort": { "level": 5, "topic": "Arts", "section": "Asia" },	"Registan": { "level": 5, "topic": "Arts", "section": "Asia" },	"Roman Forum": { "level": 5, "topic": "Arts", "section": "Europe" },	"Red Square": { "level": 5, "topic": "Arts", "section": "Europe" },	"Royal Observatory, Greenwich": { "level": 5, "topic": "Arts", "section": "Europe" },	"Reichstag building": { "level": 5, "topic": "Arts", "section": "Europe" },	"Rock and Roll Hall of Fame": { "level": 5, "topic": "Arts", "section": "United States" },	"Royal Alberta Museum": { "level": 5, "topic": "Arts", "section": "Canada" },	"Royal Ontario Museum": { "level": 5, "topic": "Arts", "section": "Canada" },	"Royal Tyrrell Museum of Palaeontology": { "level": 5, "topic": "Arts", "section": "Canada" },	"Russian Museum": { "level": 5, "topic": "Arts", "section": "Russia" },	"Roman à clef": { "level": 5, "topic": "Arts", "section": "Fiction" },	"Reference work": { "level": 5, "topic": "Arts", "section": "Reference works" },	"Romanian literature": { "level": 5, "topic": "Arts", "section": "Literatures by religion, language and area" },	"Renaissance literature": { "level": 5, "topic": "Arts", "section": "History of world literature" },	"Rhetoric (Aristotle)": { "level": 5, "topic": "Arts", "section": "Nonfiction of antiquity" },	"Records of the Grand Historian": { "level": 5, "topic": "Arts", "section": "Nonfiction of antiquity" },	"Revelations of Divine Love": { "level": 5, "topic": "Arts", "section": "Nonfiction of the medieval era" },	"Robert's Rules of Order": { "level": 5, "topic": "Arts", "section": "General nonfiction" },	"Revised Version": { "level": 5, "topic": "Arts", "section": "Bible translations" },	"Richard II (play)": { "level": 5, "topic": "Arts", "section": "Shakespeare" },	"Richard III (play)": { "level": 5, "topic": "Arts", "section": "Shakespeare" },	"Rabbit, Run": { "level": 5, "topic": "Arts", "section": "Literary fiction" },	"Red Sorghum (novel)": { "level": 5, "topic": "Arts", "section": "Literary fiction" },	"Rickshaw Boy": { "level": 5, "topic": "Arts", "section": "Literary fiction" },	"Roots: The Saga of an American Family": { "level": 5, "topic": "Arts", "section": "Historical fiction" },	"Rebecca (novel)": { "level": 5, "topic": "Arts", "section": "Horror and gothic fiction" },	"Ranma ½": { "level": 5, "topic": "Arts", "section": "Manga" },	"Rurouni Kenshin": { "level": 5, "topic": "Arts", "section": "Manga" },	"Roman de la Rose": { "level": 5, "topic": "Arts", "section": "Poetic works of the medieval era" },	"Record label": { "level": 5, "topic": "Arts", "section": "Basics_3" },	"Record producer": { "level": 5, "topic": "Arts", "section": "Basics_3" },	"Record chart": { "level": 5, "topic": "Arts", "section": "Basics_3" },	"Register (music)": { "level": 5, "topic": "Arts", "section": "Music theory" },	"Religious music": { "level": 5, "topic": "Arts", "section": "Religious music" },	"Requiem": { "level": 5, "topic": "Arts", "section": "Basic forms" },	"Rhapsody (music)": { "level": 5, "topic": "Arts", "section": "Basic forms" },	"Raï": { "level": 5, "topic": "Arts", "section": "Popular music: General" },	"Reggaeton": { "level": 5, "topic": "Arts", "section": "Popular music: General" },	"Raga": { "level": 5, "topic": "Arts", "section": "Music of Asia" },	"Requiem (Mozart)": { "level": 5, "topic": "Arts", "section": "Classical" },	"Radetzky March": { "level": 5, "topic": "Arts", "section": "Romantic" },	"Requiem (Fauré)": { "level": 5, "topic": "Arts", "section": "Romantic" },	"Requiem (Verdi)": { "level": 5, "topic": "Arts", "section": "Romantic" },	"Romeo and Juliet (Tchaikovsky)": { "level": 5, "topic": "Arts", "section": "Romantic" },	"Rhapsody on a Theme of Paganini": { "level": 5, "topic": "Arts", "section": "20th century" },	"Rigoletto": { "level": 5, "topic": "Arts", "section": "Opera" },	"Ride of the Valkyries": { "level": 5, "topic": "Arts", "section": "Opera" },	"Romeo and Juliet (Prokofiev)": { "level": 5, "topic": "Arts", "section": "Ballet" },	"Rent (musical)": { "level": 5, "topic": "Arts", "section": "Musicals" },	"Rule, Britannia!": { "level": 5, "topic": "Arts", "section": "Anthems and patriotic songs" },	"Respect (song)": { "level": 5, "topic": "Arts", "section": "Blues, R\u0026amp;B and Soul" },	"Rapper's Delight": { "level": 5, "topic": "Arts", "section": "Hip-hop and rap" },	"Ready to Die": { "level": 5, "topic": "Arts", "section": "Hip-hop and rap" },	"Revolver (Beatles album)": { "level": 5, "topic": "Arts", "section": "Rock_2" },	"Rock Around the Clock": { "level": 5, "topic": "Arts", "section": "Rock_2" },	"Rumours (album)": { "level": 5, "topic": "Arts", "section": "Rock_2" },	"Rehearsal": { "level": 5, "topic": "Arts", "section": "Concepts" },	"Ringmaster (circus)": { "level": 5, "topic": "Arts", "section": "Circus" },	"Russian ballet": { "level": 5, "topic": "Arts", "section": "Ballet_2" },	"Rhumba": { "level": 5, "topic": "Arts", "section": "Ballroom dance" },	"Rock musical": { "level": 5, "topic": "Arts", "section": "Musical theatre" },	"Retro style": { "level": 5, "topic": "Arts", "section": "Concepts and forms" },	"Relief": { "level": 5, "topic": "Arts", "section": "Sculpture" },	"Rideau, Cruchon et Compotier": { "level": 5, "topic": "Arts", "section": "Modern" },	"Rabbit (Koons)": { "level": 5, "topic": "Arts", "section": "Sculpture_2" },	"Robert E. Lee Monument (Charlottesville, Virginia)": { "level": 5, "topic": "Arts", "section": "Sculpture_2" },	"Raising the Flag on Iwo Jima": { "level": 5, "topic": "Arts", "section": "Photographs" },	"Raising a Flag over the Reichstag": { "level": 5, "topic": "Arts", "section": "Photographs" },	"Rhein II": { "level": 5, "topic": "Arts", "section": "Photographs" },	"Ruby slippers": { "level": 5, "topic": "Arts", "section": "Individual fashion designs" },	"Relativity (M. C. Escher)": { "level": 5, "topic": "Arts", "section": "Other media" },	"Raster graphics": { "level": 5, "topic": "Arts", "section": "Digital art" },	"Romantic comedy": { "level": 5, "topic": "Arts", "section": "Film genres" },	"Raiders of the Lost Ark": { "level": 5, "topic": "Arts", "section": "Action" },	"Roundhay Garden Scene": { "level": 5, "topic": "Arts", "section": "Documentary" },	"Rashomon": { "level": 5, "topic": "Arts", "section": "Epic and historical films" },	"Rear Window": { "level": 5, "topic": "Arts", "section": "Horror and thriller" },	"Rosemary's Baby (film)": { "level": 5, "topic": "Arts", "section": "Horror and thriller" },	"Return of the Jedi": { "level": 5, "topic": "Arts", "section": "Science fiction and fantasy_2" },	"Raging Bull": { "level": 5, "topic": "Arts", "section": "Sports" },	"Rocky": { "level": 5, "topic": "Arts", "section": "Sports" },	"Ragdoll": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Cats" },	"Ragamuffin cat": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Cats" },	"Russian Blue": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Cats" },	"Rhode Island Red": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Chickens" },	"Retriever": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Dogs" },	"Rex rabbit": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Rabbits" },	"Rambouillet sheep": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Sheep" },	"Rin Tin Tin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Individual animals" },	"Repenomamus": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Stem-mammals" },	"Red fox": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Canines" },	"Red wolf": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Canines" },	"Rusty-spotted cat": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Felines" },	"Raccoon": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Procyonidae" },	"Ringtail": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Procyonidae" },	"Red panda": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Other carnivora" },	"Remingtonocetidae": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Cetaceans" },	"Right whale": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Baleen whales" },	"Right whale dolphin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Toothed whale" },	"Risso's dolphin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Toothed whale" },	"River dolphin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Toothed whale" },	"Roe deer": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Deer" },	"Reticulated giraffe": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Giraffidae" },	"Red river hog": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Pigs_2" },	"Red kangaroo": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Diprotodontia" },	"Rock-wallaby": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Diprotodontia" },	"Rhinocerotoidea": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Perissodactyla" },	"Ring-tailed lemur": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Strepsirrhini" },	"Ruffed lemur": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Strepsirrhini" },	"Red squirrel": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Rodents" },	"Rufous hummingbird": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Apodiformes" },	"Rynchops": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Charadriiformes" },	"Ruff (bird)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Charadriiformes" },	"Roadrunner": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Cuculiformes and relatives" },	"Red junglefowl": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Galliformes" },	"Rook (bird)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Corvoidea" },	"Red-billed quelea": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Passerida" },	"Rainbow lorikeet": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Psittaciformes" },	"Rosella": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Psittaciformes" },	"Rhynchocephalia": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Rhynchocephalia" },	"Red-bellied black snake": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Snakes" },	"Reticulated python": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Snakes" },	"Rhamphorhynchus": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Pterosaurs" },	"Rhynchosaur": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Other prehistoric reptiles" },	"Reptiliomorpha": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Reptiliomorphs" },	"Rana (genus)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Frogs and toads" },	"Rough-skinned newt": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Salamanders and newts" },	"Rabbit fish": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Chimaeriformes" },	"Requiem shark": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Sharks" },	"River shark": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Sharks" },	"Ribbon eel": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Anguilliformes" },	"Ricefish": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Beloniformes" },	"Ribbonfish": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Lampriformes" },	"Rabbitfish": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Perciformes" },	"Red mullet": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Perciformes" },	"Reedfish": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Polypteriformes" },	"Red king crab": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Crabs and hermit crabs" },	"Ranina ranina": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Crabs and hermit crabs" },	"Reef lobster": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Crayfishes and lobsters" },	"Rhynchocinetidae": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Shrimps and prawns" },	"Ricinulei": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Arachnids" },	"Redback spider": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Spiders" },	"Rove beetle": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Beetles (Coleoptera)" },	"Ranatra": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Hemiptera (true bugs)" },	"Reduviidae": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Hemiptera (true bugs)" },	"Rhaphidophoridae": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Orthoptera" },	"Rudists": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Bivalvia" },	"Riftia": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Lophotrochozoa" },	"Rotifer": { "level": 5, "topic": "Biology and health sciences", "sublist": "Animals", "section": "Platyzoa" },	"Rectum": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Gastrointestinal tract" },	"Rod cell": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Nervous system" },	"Retina": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Nervous system" },	"Radius (bone)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Skeletal system" },	"Rib": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Skeletal system" },	"Rhizome": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Plant anatomy and morphology: General" },	"Radicle": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Plant anatomy and morphology: General" },	"Rhodopsin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Biological pigments" },	"Ribose": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Carbohydrates" },	"Ribosomal RNA": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Nucleic acids" },	"RNA polymerase": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"RNA splicing": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"RNA interference": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"Regulation of gene expression": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"Reverse transcriptase": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"Restriction enzyme": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Molecular biology" },	"Rapid eye movement sleep": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Ethology" },	"Receptor (biochemistry)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Cell processes" },	"R/K selection theory": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Ecology" },	"Reverse genetics": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Genetics" },	"Reproductive isolation": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Basics_4" },	"Red Deer Cave people": { "level": 5, "topic": "Biology and health sciences", "sublist": "Biology", "section": "Homo" },	"Residential treatment center": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Health facilities" },	"Respiratory sounds": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Diagnostics" },	"Respiratory rate": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Diagnostics" },	"Root canal treatment": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Dental treatments" },	"Reduction (orthopedic surgery)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Surgery" },	"Retractor (medicine)": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Surgery" },	"Reperfusion therapy": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Therapy" },	"Rh blood group system": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Human anatomy" },	"Rectus abdominis muscle": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Human anatomy" },	"Ring finger": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Human anatomy" },	"Reproductive medicine": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Fields of medicine" },	"Rheumatology": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Fields of medicine" },	"Route of administration": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "General concepts_2" },	"Ranitidine": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Antihistamines" },	"Rabies vaccine": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Vaccines" },	"Recreational drug use": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Recreational drugs" },	"Rheumatoid arthritis": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Disease" },	"Repetitive strain injury": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Types" },	"Refractive error": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Disabilities" },	"Respiratory tract infection": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Concepts" },	"Reverse zoonosis": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Concepts" },	"Rheumatic fever": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Bacterial infections" },	"Rift Valley fever": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Viral diseases" },	"Rinderpest": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Viral diseases" },	"Rubella": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Viral diseases" },	"Rash": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Symptoms and signs" },	"Rhinorrhea": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Symptoms and signs" },	"Rickets": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Health and fitness: General" },	"Riboflavin": { "level": 5, "topic": "Biology and health sciences", "sublist": "Health", "section": "Vitamins" },	"Rhyniophyte": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Pteridophytes" },	"Rattan": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Arecales (inc. Palms)" },	"Roystonea": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Arecales (inc. Palms)" },	"Roystonea oleracea": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Arecales (inc. Palms)" },	"Roystonea regia": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Arecales (inc. Palms)" },	"Ravenala": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Zingiberales" },	"Rubia tinctorum": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Gentianales" },	"Rafflesia arnoldii": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Malpighiales" },	"Ranunculus": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Ranunculales" },	"Rosales": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Rosales" },	"Rutaceae": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Sapindales" },	"Ribes": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Saxifragales" },	"Red Delicious": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Pomes" },	"Rambutan": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Stone fruits" },	"Redcurrant": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Berries" },	"Red banana": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Tropical and tropical-like fruit" },	"Rhubarb": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Plants with edible fruit-like structures" },	"Rapini": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Leafy vegetables" },	"Russet Burbank": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Root vegetables" },	"Rosemary": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Herbs and spices" },	"Rhizopus": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Basics" },	"Rhizobia": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Gram-negative bacteria" },	"Radiolaria": { "level": 5, "topic": "Biology and health sciences", "sublist": "Plants", "section": "Bikonts" },	"Renting": { "level": 5, "topic": "Everyday life", "section": "Housing" },	"Ring (jewellery)": { "level": 5, "topic": "Everyday life", "section": "Jewelry" },	"Rouge (cosmetics)": { "level": 5, "topic": "Everyday life", "section": "Cosmetics" },	"Russian cuisine": { "level": 5, "topic": "Everyday life", "section": "Cuisine" },	"Roasting": { "level": 5, "topic": "Everyday life", "section": "Food preparation and serving" },	"Rotisserie": { "level": 5, "topic": "Everyday life", "section": "Food preparation and serving" },	"Rapeseed oil": { "level": 5, "topic": "Everyday life", "section": "Cooking oils" },	"Roti": { "level": 5, "topic": "Everyday life", "section": "Grains-based products" },	"Rye bread": { "level": 5, "topic": "Everyday life", "section": "Grains-based products" },	"Rice flour": { "level": 5, "topic": "Everyday life", "section": "Grains-based products" },	"Rib eye steak": { "level": 5, "topic": "Everyday life", "section": "Meat" },	"Roast chicken": { "level": 5, "topic": "Everyday life", "section": "Meat" },	"Red meat": { "level": 5, "topic": "Everyday life", "section": "Meat" },	"Roe": { "level": 5, "topic": "Everyday life", "section": "Seafood" },	"Raw milk": { "level": 5, "topic": "Everyday life", "section": "Dairy products" },	"Rice milk": { "level": 5, "topic": "Everyday life", "section": "Dairy analogues" },	"Ranch dressing": { "level": 5, "topic": "Everyday life", "section": "Specific" },	"Rendang": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Raisin": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Rice noodles": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Rice vermicelli": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Ramen": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Ravioli": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Rice ball": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Rice cake": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Risotto": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Reuben sandwich": { "level": 5, "topic": "Everyday life", "section": "Food types" },	"Raspberry juice": { "level": 5, "topic": "Everyday life", "section": "Cold drinks" },	"Ribena": { "level": 5, "topic": "Everyday life", "section": "Cold drinks" },	"Root beer": { "level": 5, "topic": "Everyday life", "section": "Cold drinks" },	"Rooibos": { "level": 5, "topic": "Everyday life", "section": "Hot drinks" },	"Red wine": { "level": 5, "topic": "Everyday life", "section": "Alcoholic drinks" },	"Rum and Coke": { "level": 5, "topic": "Everyday life", "section": "Alcoholic drinks" },	"Recliner": { "level": 5, "topic": "Everyday life", "section": "Furniture and interior design" },	"Rocking chair": { "level": 5, "topic": "Everyday life", "section": "Furniture and interior design" },	"Red-light district": { "level": 5, "topic": "Everyday life", "section": "Sexuality and gender" },	"Robot competition": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Entertainment and leisure" },	"Robot combat": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Entertainment and leisure" },	"Rafting": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Recreation and tourism" },	"Roundabout (play)": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Recreation and tourism" },	"Roller coaster": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Amusement parks" },	"Resort": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Tourism" },	"Road trip": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Tourism" },	"Rubber duck": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Toys" },	"Rail transport modelling": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Toys" },	"Rocking horse": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Toys" },	"Race game": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Types of games" },	"Role-playing game": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Types of games" },	"Rummikub": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Tabletop games" },	"Reversi": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Board games" },	"Risk (game)": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Board games" },	"Royal Game of Ur": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Board games" },	"Rummy": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Card games" },	"Role-playing video game": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "General video game topics" },	"Roguelike": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "General video game topics" },	"Racing game": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "General video game topics" },	"Real-time strategy": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "General video game topics" },	"Resident Evil": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Japanese products" },	"Roblox": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "US products" },	"Rogue (video game)": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "US products" },	"Russian roulette": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Gambling" },	"Rock paper scissors": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other games and plays" },	"Red Rover": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other games and plays" },	"Racing": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Basics" },	"Referee": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Basics" },	"Racket (sports equipment)": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Sports equipment" },	"Roller skates": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Sports equipment" },	"Ringball": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Team sports" },	"Ringette": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Team sports" },	"Rounders": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Team sports" },	"Rugby League World Cup": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Team sports" },	"Recreational fishing": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Animal sport" },	"Relay race": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Athletics" },	"Racewalking": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Athletics" },	"Radio-controlled car": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Motor racing" },	"Rallying": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Motor racing" },	"Rallycross": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Motor racing" },	"Roller derby": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Skating" },	"Roller hockey": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Skating" },	"Road bicycle racing": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other individual sports" },	"Rings (gymnastics)": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other individual sports" },	"Rhythmic gymnastics": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other individual sports" },	"Racquetball": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Other individual sports" },	"Russian Bandy Super League": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Sports leagues" },	"Russian Premier League": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Association football" },	"Real Madrid CF": { "level": 5, "topic": "Everyday life", "sublist": "Sports, games and recreation", "section": "Association football_2" },	"Residential area": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Urban studies and planning" },	"Rustenburg": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "South Africa" },	"Regina, Saskatchewan": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Canada" },	"Rochester, New York": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Northeast" },	"Richmond, Virginia": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "South" },	"Raleigh, North Carolina": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "South" },	"Reno, Nevada": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "West" },	"Reynosa": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Mexico" },	"Roseau": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Other_2" },	"Rawson, Chubut": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Argentina" },	"Río Gallegos, Santa Cruz": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Argentina" },	"Río Grande, Tierra del Fuego": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Argentina" },	"Ribeirão Preto": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Brazil" },	"Rio Branco, Acre": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Brazil" },	"Rancagua": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Chile" },	"Rizhao": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "East China" },	"Rason": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "North Korea" },	"Rajshahi": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Bangladesh" },	"Rangpur, Bangladesh": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Bangladesh" },	"Rohtak": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "North India" },	"Rampur, Uttar Pradesh": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "North India" },	"Rishikesh": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "North India" },	"Rajkot": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "West India" },	"Rajahmundry": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "South India" },	"Rourkela": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "East India" },	"Rajarhat": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "East India" },	"Rajpur Sonarpur": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "East India" },	"Rahim Yar Khan": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Pakistan" },	"Rạch Giá": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Vietnam" },	"Ramadi": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Iraq" },	"Rasht": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Iran" },	"Rishon LeZion": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Israel" },	"Russeifa": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Jordan" },	"Ramallah": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Palestine" },	"Raqqa": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Syria" },	"Ruse, Bulgaria": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Bulgaria" },	"Rzeszów": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Poland" },	"Ryazan": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Central" },	"Rivne": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Ukraine" },	"Reykjavík": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Iceland" },	"Reims": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "France" },	"Rennes": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "France" },	"Rouen": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "France" },	"Rostock": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Germany" },	"Reading, Berkshire": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "England" },	"Rhodes (city)": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Greece" },	"Ravenna": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Italy" },	"Reggio Calabria": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Italy" },	"Reggio Emilia": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Italy" },	"Rimini": { "level": 5, "topic": "Geography", "sublist": "Cities", "section": "Italy" },	"Region": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "General" },	"Regional geography": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "General" },	"Republic of Artsakh": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Unrecognized or largely unrecognized states, and disputed regions" },	"Regions of Cameroon": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Africa: General" },	"Red Sea Governorate": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Egypt" },	"Regions of Ethiopia": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Ethiopia" },	"Rivers State": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Nigeria" },	"Ross Dependency": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Antarctica" },	"Rajshahi Division": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Bangladesh" },	"Rangpur Division": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Bangladesh" },	"Riau": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Indonesia" },	"Riau Islands": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Indonesia" },	"Regions of Iran": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Iran" },	"Razavi Khorasan province": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Iran" },	"Rakhine State": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Myanmar" },	"Ryanggang Province": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "North Korea" },	"Regions of the Philippines": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Philippines" },	"Riyadh Province": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Saudi Arabia" },	"Republika Srpska": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Bosnia and Herzegovina" },	"Regions of the Czech Republic": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Czech Republic" },	"Regions of France": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "France" },	"Rhône-Alpes": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "France" },	"Rhine-Ruhr metropolitan region": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Germany" },	"Rhineland-Palatinate": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Germany" },	"Regions of Italy": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Italy" },	"Regions of Denmark": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Nordic countries" },	"Regions of Finland": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Nordic countries" },	"Regions of Iceland": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Nordic countries" },	"Regions of Norway": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Nordic countries" },	"Republic of Karelia": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Russia" },	"Russian Far East": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Russia" },	"Region of Murcia": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Spain" },	"Rivne Oblast": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Ukraine" },	"Rutland": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "United Kingdom" },	"Rust Belt": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "United States" },	"Rhode Island": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "United States" },	"Riverina": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Australia" },	"Regions of Guyana": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "South America: General" },	"Regions of Peru": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "South America: General" },	"Río Negro Province": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Argentina" },	"Rondônia": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Brazil" },	"Roraima": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Brazil" },	"Rio Grande do Norte": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Brazil" },	"Rio de Janeiro (state)": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Brazil" },	"Rio Grande do Sul": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Brazil" },	"Regions of Chile": { "level": 5, "topic": "Geography", "sublist": "Countries", "section": "Chile" },	"Red River (Asia)": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Southeast Asia" },	"Ravi River": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "South Asia" },	"Rhône": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Europe_2" },	"River Forth": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Great Britain" },	"River Severn": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Great Britain" },	"River Tyne": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Great Britain" },	"Red River of the South": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "United States" },	"Red River of the North": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "United States" },	"Red Flag Canal": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Canals" },	"Rhine–Main–Danube Canal": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Canals" },	"Rideau Canal": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Canals" },	"Rabbitkettle Hot Springs": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Geysers and hot springs" },	"Ross Ice Shelf": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Glaciers and sea ice" },	"Red River Delta": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "River deltas" },	"Rodrigues": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Africa_3" },	"Riau Archipelago": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Malay Archipelago" },	"Rügen": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Europe_3" },	"Rhodes": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Greece" },	"Revillagigedo Islands": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "North and Central America: General" },	"Roanoke Island": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "United States_2" },	"Raoul Island": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Oceania_3" },	"Rarotonga": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Oceania_3" },	"Rotuma": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Oceania_3" },	"Rocher de Sel": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Africa_5" },	"Rwenzori Mountains": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Africa_5" },	"Rainbow Bridge National Monument": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "North America_3" },	"Ras Dashen": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Africa_6" },	"Ras ben Sakka": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Cliffs, headlands, stacks and natural arches" },	"Rig-e Jenn": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Deserts and dunes" },	"Råbjerg Mile": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Deserts and dunes" },	"Rub' al Khali": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Deserts and dunes" },	"Russian Arctic National Park": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "Europe_7" },	"Redwood National and State Parks": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "North America_4" },	"Rocky Mountain National Park": { "level": 5, "topic": "Geography", "sublist": "Physical", "section": "North America_4" },	"Records management": { "level": 5, "topic": "History", "section": "Basics: General" },	"Recovered Territories": { "level": 5, "topic": "History", "section": "Europe_2" },	"Roanoke Colony": { "level": 5, "topic": "History", "section": "Colonial history" },	"Racial segregation in the United States": { "level": 5, "topic": "History", "section": "History by demographic group" },	"Rural history": { "level": 5, "topic": "History", "section": "History by topic" },	"Romanticism in science": { "level": 5, "topic": "History", "section": "History of science" },	"Renaissance technology": { "level": 5, "topic": "History", "section": "History of technology" },	"Recent African origin of modern humans": { "level": 5, "topic": "History", "section": "Prehistory" },	"Roman magistrate": { "level": 5, "topic": "History", "section": "Europe_4" },	"Roman legion": { "level": 5, "topic": "History", "section": "Europe_4" },	"Roman conquest of Britain": { "level": 5, "topic": "History", "section": "Europe_4" },	"Roman conquest of the Iberian Peninsula": { "level": 5, "topic": "History", "section": "Europe_4" },	"Roman expansion in Italy": { "level": 5, "topic": "History", "section": "Europe_4" },	"Roman Egypt": { "level": 5, "topic": "History", "section": "Europe_4" },	"Rus' people": { "level": 5, "topic": "History", "section": "Europe_4" },	"Rebellion of the Seven States": { "level": 5, "topic": "History", "section": "Eastern Asia" },	"Royal intermarriage": { "level": 5, "topic": "History", "section": "Post-classical: General" },	"Route from the Varangians to the Greeks": { "level": 5, "topic": "History", "section": "Europe: General" },	"Renaissance of the 12th century": { "level": 5, "topic": "History", "section": "Western Europe" },	"Republic of Ancona": { "level": 5, "topic": "History", "section": "Italy" },	"Republic of Pisa": { "level": 5, "topic": "History", "section": "Italy" },	"Republic of Florence": { "level": 5, "topic": "History", "section": "Italy" },	"Republic of Siena": { "level": 5, "topic": "History", "section": "Italy" },	"Republic of Ragusa": { "level": 5, "topic": "History", "section": "Eastern and Central Europe" },	"Ruthenia": { "level": 5, "topic": "History", "section": "Eastern and Central Europe" },	"Rashidun Caliphate": { "level": 5, "topic": "History", "section": "Western Asia_2" },	"Rashtrakutas": { "level": 5, "topic": "History", "section": "Southern Asia_2" },	"Reign of Terror": { "level": 5, "topic": "History", "section": "Western Europe_2" },	"Régence": { "level": 5, "topic": "History", "section": "Western Europe_2" },	"Russo-Kazan Wars": { "level": 5, "topic": "History", "section": "Eastern Europe and Central" },	"Russo-Polish War (1654–1667)": { "level": 5, "topic": "History", "section": "Eastern Europe and Central" },	"Russian colonization of North America": { "level": 5, "topic": "History", "section": "Americas_4" },	"Royal Proclamation of 1763": { "level": 5, "topic": "History", "section": "Americas_4" },	"Regency of Algiers": { "level": 5, "topic": "History", "section": "Africa_6" },	"Russian conquest of Siberia": { "level": 5, "topic": "History", "section": "Central and Western Asia" },	"Rattanakosin Kingdom (1782–1932)": { "level": 5, "topic": "History", "section": "Eastern and Southeastern Asia" },	"Ryukyu Kingdom": { "level": 5, "topic": "History", "section": "Eastern and Southeastern Asia" },	"Roaring Twenties": { "level": 5, "topic": "History", "section": "Modern: General" },	"Revolutions of 1917–1923": { "level": 5, "topic": "History", "section": "World War I"	}, "Romania in World War I": { "level": 5, "topic": "History", "section": "World War I"	}, "Russian entry into World War I": { "level": 5, "topic": "History", "section": "World War I"	}, "Rescue of Jews during the Holocaust": { "level": 5, "topic": "History", "section": "World War II" },	"Romani Holocaust": { "level": 5, "topic": "History", "section": "World War II" },	"Resistance during World War II": { "level": 5, "topic": "History", "section": "World War II" },	"Russification of Finland": { "level": 5, "topic": "History", "section": "Europe_7" },	"Reichstag fire": { "level": 5, "topic": "History", "section": "Europe_7" },	"Rise of nationalism in Europe": { "level": 5, "topic": "History", "section": "Europe_7" },	"Russian famine of 1921–1922": { "level": 5, "topic": "History", "section": "Europe_7" },	"Republican faction (Spanish Civil War)": { "level": 5, "topic": "History", "section": "Europe_7" },	"Red Terror (Spain)": { "level": 5, "topic": "History", "section": "Europe_7" },	"Rebellions of 1837–1838": { "level": 5, "topic": "History", "section": "Americas_5" },	"Reconstruction era": { "level": 5, "topic": "History", "section": "United States_2" },	"Reconstruction Amendments": { "level": 5, "topic": "History", "section": "United States_2" },	"Republic of Texas": { "level": 5, "topic": "History", "section": "United States_2" },	"Rif War": { "level": 5, "topic": "History", "section": "Africa_7" },	"Russian conquest of Central Asia": { "level": 5, "topic": "History", "section": "Central Asia" },	"Republic of China (1912–1949)": { "level": 5, "topic": "History", "section": "East Asia" },	"Rhodesia": { "level": 5, "topic": "History", "section": "Africa_8" },	"Rhodesian Bush War": { "level": 5, "topic": "History", "section": "Africa_8" },	"Rwandan Civil War": { "level": 5, "topic": "History", "section": "Africa_8" },	"Rwandan Revolution": { "level": 5, "topic": "History", "section": "Africa_8" },	"Redlining": { "level": 5, "topic": "History", "section": "United States_3" },	"Reaganomics": { "level": 5, "topic": "History", "section": "United States_3" },	"Revocation of the special status of Jammu and Kashmir": { "level": 5, "topic": "History", "section": "South Asia_2" },	"Rohingya genocide": { "level": 5, "topic": "History", "section": "Southeast Asia" },	"Romanian revolution": { "level": 5, "topic": "History", "section": "Eastern Europe" },	"Russo-Georgian War": { "level": 5, "topic": "History", "section": "Russian Federation" },	"Russo-Ukrainian War": { "level": 5, "topic": "History", "section": "Russian Federation" },	"Russian invasion of Ukraine": { "level": 5, "topic": "History", "section": "Russian Federation" },	"Red Army Faction": { "level": 5, "topic": "History", "section": "Western Europe_3" },	"Recreational mathematics": { "level": 5, "topic": "Mathematics", "section": "Basics" },	"Rate (mathematics)": { "level": 5, "topic": "Mathematics", "section": "Basics" },	"Ratio": { "level": 5, "topic": "Mathematics", "section": "Basics" },	"Repeating decimal": { "level": 5, "topic": "Mathematics", "section": "Basics" },	"Range of a function": { "level": 5, "topic": "Mathematics", "section": "Functions: General" },	"Real-valued function": { "level": 5, "topic": "Mathematics", "section": "Functions: General" },	"Rational function": { "level": 5, "topic": "Mathematics", "section": "Specific functions" },	"Riemann zeta function": { "level": 5, "topic": "Mathematics", "section": "Specific functions" },	"Rectangular function": { "level": 5, "topic": "Mathematics", "section": "Specific functions" },	"Reflection (mathematics)": { "level": 5, "topic": "Mathematics", "section": "Geometry: General" },	"Rotation (mathematics)": { "level": 5, "topic": "Mathematics", "section": "Geometry: General" },	"Reuleaux triangle": { "level": 5, "topic": "Mathematics", "section": "Two-dimensional space" },	"Right triangle": { "level": 5, "topic": "Mathematics", "section": "Two-dimensional space" },	"Rectangle": { "level": 5, "topic": "Mathematics", "section": "Two-dimensional 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Gordon Jr.": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Space travelers" },	"Red Adair": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Law enforcement and fire service" },	"Robert Mueller": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Law enforcement and fire service" },	"Ronald Noble": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Law enforcement and fire service" },	"Roger Rogerson": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Law enforcement and fire service" },	"Ramón Mercader": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Assassination" },	"Reinhard Heydrich": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Crimes against humanity" },	"Rudolf Höss": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Crimes against humanity" },	"Ratko Mladić": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Crimes against humanity" },	"Robert Tappan Morris": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Computer crimes" },	"Ross Ulbricht": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Computer crimes" },	"Robert Hanssen": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Espionage" },	"Richard Sorge": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Espionage" },	"Richard Hauptmann": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Murder, serial killing, mass murder" },	"Richard Hickock": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Murder, serial killing, mass murder" },	"Richard Kuklinski": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Murder, serial killing, mass murder" },	"Richard Ramirez": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Murder, serial killing, mass murder" },	"Raymond Washington": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Organized crime" },	"Richard Huckle": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Sex crimes" },	"Ronnie Biggs": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Thievery, robbery and hijacking" },	"Rodney King": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Victims" },	"Robert Mondavi": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Chefs, bartenders and winemakers" },	"Rudy Kurniawan": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Hobbyists" },	"Robert Rayford": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Case studies" },	"Robert Wadlow": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Case studies" },	"Ryan White": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Case studies" },	"Rick Baker": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Cosmetics people" },	"Raymond Bessone": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Cosmetics people" },	"Robert Dudley, 1st Earl of Leicester": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Socialites" },	"Richard Simmons": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Health and fitness" },	"Richard Trethewey": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Tradespeople" },	"Richard Bandler": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Other_2" },	"Robert Ettinger": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Other_2" },	"Robert Coates (actor)": { "level": 5, "topic": "People", "sublist": "Miscellaneous", "section": "Other_3" },	"Roger Bacon": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Post-classical (AD 500 to 1500)" },	"Robert Grosseteste": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Post-classical (AD 500 to 1500)" },	"Ramon Llull": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Post-classical (AD 500 to 1500)" },	"Ronald Dworkin": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Americas" },	"Rebecca Goldstein": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Americas" },	"Robert Nozick": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Americas" },	"Robert M. Pirsig": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Americas" },	"Richard Rorty": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Americas" },	"Raymond Aron": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"Rudolf Carnap": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"R. G. Collingwood": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"Rudolf Christoph Eucken": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"R. M. Hare": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"Roger Scruton": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"Rudolf Steiner": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Europe" },	"Rashid al-Din Hamadani": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Post-classical (AD 500 to 1500)_2" },	"Randolph L. Braham": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Robert Caro": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Ron Chernow": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Robert Conquest": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Richard J. Evans": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Robert Fogel": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Richard Hofstadter": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Robert Paxton": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"R. H. Tawney": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Richard Wolin": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern (after AD 1800)_2" },	"Richard Cantillon": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Ronald Coase": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert F. Engle": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Ragnar Frisch": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert Lucas Jr.": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert C. Merton": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert Mundell": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Roger Myerson": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Raghuram Rajan": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Reinhard Selten": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert J. Shiller": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Robert Solow": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Richard Stone": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Richard Thaler": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Economists and business theorists" },	"Ralph Bunche": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Political scientists, theorists, and writers" },	"Robert D. Putnam": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Political scientists, theorists, and writers" },	"Robert M. W. Dixon": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Linguists" },	"Ray Jackendoff": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Linguists" },	"Roman Jakobson": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Linguists" },	"Rasmus Rask": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Linguists" },	"Ralf Dahrendorf": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Sociologists" },	"Robert K. Merton": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Sociologists" },	"Robert E. Park": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Sociologists" },	"Raymond Williams": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Sociologists" },	"Robert Ballard": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Ruth Benedict": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Richard Leakey": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Richard Borshay Lee": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Ralph Linton": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Robert Lowie": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Anthropologists and archaeologists" },	"Roland Barthes": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Art historians, theorists and critics" },	"Roger Fry": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Art historians, theorists and critics" },	"René Girard": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Art historians, theorists and critics" },	"Rufus Wilmot Griswold": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Art historians, theorists and critics" },	"Roberto Longhi": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Art historians, theorists and critics" },	"Richard Bentley": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Classicists" },	"Richard Porson": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Classicists" },	"Ronald Syme": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Classicists" },	"Rudolf Kjellén": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Human geographers and cartographers" },	"Radhabinod Pal": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Asia_2" },	"René Cassin": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern Europe" },	"Robert Cecil, 1st Viscount Cecil of Chelwood": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern Europe" },	"Roland Freisler": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern Europe" },	"Rudolf von Gneist": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Modern Europe" },	"Robert Bork": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Ruth Bader Ginsburg": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Raphael Lemkin": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Robert R. Livingston": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Richard Posner": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Robert Joseph Pothier": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Roger B. Taney": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "United States" },	"Robert Cialdini": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Public relations, marketing and advertising theorists" },	"Richard von Krafft-Ebing": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Sexologists" },	"Ray Kurzweil": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Other social sciences" },	"Robert M. Gagné": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Psychologists" },	"R. D. Laing": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Psychologists" },	"Rollo May": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Psychologists" },	"Robert Plomin": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Psychologists" },	"Robert Sternberg": { "level": 5, "topic": "People", "sublist": "Philosophers, historians, political and social scientists", "section": "Psychologists" },	"Ramesses VI": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Egypt" },	"Romulus": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Roman Kingdom" },	"Romulus Augustulus": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Post-division, West" },	"Rajendra I": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Southern Asia_2" },	"Rashidun": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Caliphates" },	"Richard II of England": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Monarchs of England" },	"Richard III of England": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Monarchs of England" },	"Ruaidrí Ua Conchobair": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Ireland" },	"Rollo": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "France" },	"Robert II of France": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Capetian Monarchs of France" },	"Rudolf I of Germany": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Interregnum" },	"Rainier I of Monaco, Lord of Cagnes": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Monaco" },	"Ramiro II of León": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Iberia" },	"Ramon Berenguer IV, Count of Barcelona": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Iberia" },	"Rurik": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Russia and Ukraine" },	"Robert Morris (financier)": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other" },	"Rajah Sulayman": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Southeastern Asia_2" },	"Rudolf II, Holy Roman Emperor": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Holy Roman Empire, Austria" },	"Roi Mata": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Oceania" },	"Ranavalona I": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Eastern Africa" },	"Rutherford B. Hayes": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Presidents_2" },	"Robert M. La Follette": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_4" },	"R. B. Bennett": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Canada" },	"Robert Borden": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Canada" },	"Ricardo Jiménez Oreamuno": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Costa Rica" },	"Rafael Carrera": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Guatemala" },	"Roque Sáenz Peña": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Argentina" },	"Ramón Freire": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Chile" },	"Rafael Núñez": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Colombia" },	"Rafael Urdaneta": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Colombia" },	"Ramón Castilla": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Peru" },	"Rama II": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Southeastern Asia_3" },	"Ranjit Singh": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "India" },	"Reza Shah": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Iran" },	"Raymond Poincaré": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "France_3" },	"Rudolf Hess": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Nazi Germany" },	"Robert Jenkinson, 2nd Earl of Liverpool": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Prime Ministers_2" },	"Robert Gascoyne-Cecil, 3rd Marquess of Salisbury": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Prime Ministers_2" },	"Ramsay MacDonald": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Prime Ministers_2" },	"Richard Seddon": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "New Zealand" },	"Ruth Williams Khama": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Southern Africa" },	"René Lévesque": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_9" },	"Richard J. Daley": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_10" },	"Robert F. Kennedy": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_10" },	"Robert McNamara": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_10" },	"Ross Perot": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Other_10" },	"Roberto D'Aubuisson": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "El Salvador_2" },	"Ramón Villeda Morales": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Honduras_2" },	"Raúl Castro": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Cuba_2" },	"Ramón Grau": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Cuba_2" },	"Raúl Alfonsín": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Argentina_2" },	"Reynaldo Bignone": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Argentina_2" },	"René Barrientos": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Bolivia_2" },	"Ricardo Lagos": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Chile_2" },	"Rodrigo Borja Cevallos": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Ecuador_2" },	"Rafael Correa": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Ecuador_2" },	"Rómulo Betancourt": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Venezuela_2" },	"Rafael Caldera": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Venezuela_2" },	"Raúl Leoni": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Venezuela_2" },	"Ramón José Velásquez": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Venezuela_2" },	"Roh Moo-hyun": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "S. Korea" },	"Rodrigo Duterte": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Philippines" },	"Ramon Magsaysay": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Philippines" },	"Rajiv Gandhi": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "India_2" },	"Rajendra Prasad": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "India_2" },	"Ram Baran Yadav": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Nepal" },	"Robert Kocharyan": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Armenia" },	"Rauf Denktaş": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Cyprus and Northern Cyprus" },	"Rafic Hariri": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Lebanon" },	"Rashid Karami": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Lebanon" },	"Riad Al Solh": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Lebanon" },	"Recep Tayyip Erdoğan": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Turkey" },	"René Coty": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "France_4" },	"Robert Schuman": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "France_4" },	"Rainier III, Prince of Monaco": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Monaco_4" },	"Ruud Lubbers": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Netherlands_3" },	"Rishi Sunak": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Prime Ministers_4" },	"Ramzan Kadyrov": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Chechnya" },	"Robert Menzies": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "Prime ministers_2" },	"Roger Douglas": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "New Zealand_2" },	"Robert Muldoon": { "level": 5, "topic": "People", "sublist": "Politicians and leaders", "section": "New Zealand_2" },	"Raja Ram Mohan Roy": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Modern" },	"Rupa Goswami": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Modern" },	"Rav Ashi": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Judaism" },	"Robert Bellarmine": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Pre-modern, -1800" },	"Richard Allen (bishop)": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Early modern, 1519-1800" },	"Roger Williams": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Early modern, 1519-1800" },	"Rick Warren": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Modern, 1800-present_2" },	"Rabia Basri": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Sufism" },	"Raël": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Other" },	"Rajneesh": { "level": 5, "topic": "People", "sublist": "Religious figures", "section": "Other" },	"Rudolf Clausius": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Raymond Davis Jr.": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Riccardo Giacconi": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Roy J. Glauber": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Robert Hofstadter": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Russell Alan Hulse": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Robert B. Laughlin": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Rudolf Mössbauer": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Robert Coleman Richardson": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Rolf Maximilian Sievert": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Richard E. Taylor": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Rainer Weiss": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern" },	"Reinhard Genzel": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Astronomy" },	"Robert Woodrow Wilson": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Astronomy" },	"Roger Joseph Boscovich": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Chemistry" },	"Robert Bunsen": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Chemistry" },	"Robert S. Mulliken": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Chemistry" },	"Robert Brown (botanist, born 1773)": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Richard Dawkins": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Robin Wall Kimmerer": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Rudolf Leuckart": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Rita Levi-Montalcini": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Richard Owen": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"René Antoine Ferchault de Réaumur": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Robert Trivers": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Robert Whittaker (ecologist)": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Biology" },	"Robert Atkins (physician)": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Ralph Bathurst": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Richard Doll": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Robert Gallo": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Robert A. Kehoe": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Robert Knox": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"René Laennec": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Robert Lustig": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Rosalyn Sussman Yalow": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Medicine" },	"Robert FitzRoy": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Physical geography" },	"Roderick Murchison": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Physical geography" },	"Richard Arkwright": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Roger Béteille": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Ross Brawn": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Robert Esnault-Pelterie": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Reginald Fessenden": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Rowland Hill": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Inventors and engineers" },	"Robert Aumann": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Richard E. Bellman": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Richard Dedekind": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Richard K. Guy": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Robert Langlands": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Roger Penrose": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Radhanath Sikdar": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Modern_2" },	"Robert Kahn (computer scientist)": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Computer scientists and programmers" },	"Richard M. Karp": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Computer scientists and programmers" },	"Roger Sisson": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Computer scientists and programmers" },	"Richard Stallman": { "level": 5, "topic": "People", "sublist": "Scientists, inventors, and mathematicians", "section": "Computer scientists and programmers" },	"Roberto Baggio": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "European" },	"Robert Lewandowski": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "European" },	"Roger Milla": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Others" },	"Romário": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Others" },	"Ryan Giggs": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "European_2" },	"Roy Keane": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "European_2" },	"Ronaldinho": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Others_2" },	"Roberto Carlos": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Defenders" },	"Ruud Gullit": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Defenders" },	"Rick Barry": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Forwards_2" },	"Ray Allen": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Guards_2" },	"Ramon Fernandez": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Non-U.S. men" },	"Rogers Hornsby": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "United States" },	"Rickey Henderson": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "United States_2" },	"Roger Maris": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "United States_2" },	"Roberto Clemente": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Others_4" },	"Roger Clemens": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "United States_3" },	"Randy Johnson": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "United States_3" },	"Rahul Dravid": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Batters" },	"Ricky Ponting": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Batters" },	"Ranjitsinhji": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Batters" },	"Richard Hadlee": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "All-rounders" },	"Ray Bourque": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Defense" },	"Red Grange": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Running backs" },	"Reggie White": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Linemen" },	"Ray Lewis": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Linebackers and defensive backs" },	"Ronnie Lott": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Linebackers and defensive backs" },	"Roy Emerson": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Tennis" },	"René Lacoste": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Tennis" },	"Renée Richards": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Tennis" },	"Richard Sears (tennis)": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Tennis" },	"Rory McIlroy": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Golf" },	"Roger Bannister": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Robert Barclay Allardice": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Randy Barnes": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Rafer Johnson": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Robert Korzeniowski": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Renaud Lavillenie": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Athletics" },	"Robin Cousins": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Figure skating" },	"Roberto Durán": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Boxing" },	"Rocky Marciano": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Boxing" },	"Ryoko Tani": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Judo" },	"Randy Couture": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Mixed martial arts" },	"Royce Gracie": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Mixed martial arts" },	"Ronda Rousey": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Mixed martial arts" },	"Rachel Atherton": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Cycling" },	"Richard Petty": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Auto racing" },	"Ryan Lochte": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Swimming" },	"Roland Matthes": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Swimming" },	"Reg Gasnier": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Rugby league" },	"Richie McCaw": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Rugby union" },	"Raymond Ceulemans": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Cue sports" },	"Ralph Greenleaf": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Cue sports" },	"Ronnie O'Sullivan": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Cue sports" },	"Rudolf Wanderone": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Cue sports" },	"Ratchanok Intanon": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Badminton" },	"Rudy Hartono": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Badminton" },	"Ronnie Coleman": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Bodybuilding" },	"Reinhold Messner": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Climbing and mountaineering" },	"Reiner Klimke": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Equestrianism" },	"Ralf Schumann": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Shooting sports" },	"Rodney Mullen": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Skateboarding" },	"Robert Fulford (croquet player)": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Croquet" },	"Ricky Carmichael": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Motocross" },	"Ron Barassi": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Australian rules football" },	"Rechelle Hawkes": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Field hockey" },	"Rakesh Kumar (kabaddi)": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Kabaddi" },	"Regla Torres": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Volleyball" },	"Robert Guérin": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Association football_2" },	"Rinus Michels": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Association football_2" },	"Rodolphe Seeldrayers": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Association football_2" },	"Red Auerbach": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Basketball_2" },	"Ratko Rudić": { "level": 5, "topic": "People", "sublist": "Sports figures", "section": "Water polo_2" },	"Raymond Carver": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robert W. Chambers": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robin Cook (American novelist)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Ralph Ellison": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Raymond E. Feist": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Roxane Gay": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robert Greene (American author)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robert E. Howard": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robert Kiyosaki": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Robert Ludlum": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Ross Macdonald": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Richard Peck (writer)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Richard Price (writer)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Rick Riordan": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Richard Scarry": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"R. L. Stine": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Rex Stout": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Rebecca Walker": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Richard Wright (author)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Richard Yates (novelist)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada" },	"Roberto Bolaño": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America" },	"Ricardo Güiraldes": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America" },	"Raul Pompeia": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America" },	"Rachel de Queiroz": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America" },	"R. K. Narayan": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Asia_4" },	"Raja Rao": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Asia_4" },	"Ri Ki-yong": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Asia_4" },	"Ryōtarō Shiba": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Asia_4" },	"René Belbenoît": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe" },	"Roger Martin du Gard": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe" },	"Robert Musil": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe" },	"Robert Pinget": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe" },	"Raymond Queneau": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe" },	"Richard Aldington": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland" },	"Roddy Doyle": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland" },	"Roger Hargreaves": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland" },	"Ruth Prawer Jhabvala": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland" },	"Rebecca West": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland" },	"Richard Flanagan": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Australia" },	"Ruth Park": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Australia" },	"Rutebeuf": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_6" },	"Ramprasad Sen": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Asia_7" },	"Richard Crashaw": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_7" },	"Robert Fergusson": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_7" },	"Robert Henryson": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_7" },	"Robert Herrick (poet)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_7" },	"Robert Southwell (priest)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_7" },	"Rae Armantrout": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Robert Creeley": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Robert Duncan (poet)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Rupi Kaur": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Robert Lowell": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Robin Morgan": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Robert Penn Warren": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "US and Canada_2" },	"Raimundo Correia": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America_2" },	"Rubén Darío": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Latin America_2" },	"Rasul Gamzatov": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Russia_2" },	"René Char": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe_2" },	"Robert Desnos": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Western Europe_2" },	"Robert Bridges": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland_2" },	"Rupert Brooke": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland_2" },	"Robert Browning": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland_2" },	"Robert Graves": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland_2" },	"Robert Southey": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "UK and Ireland_2" },	"Robert E. Sherwood": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "America_2" },	"Romain Rolland": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_9" },	"R. C. Sherriff": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Europe_9" },	"René Goscinny": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Comics writers" },	"Richard Genée": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Librettists" },	"Renato Simoni": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Librettists" },	"Ronan Farrow": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Journalists: General" },	"Robert Fisk": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Journalists: General" },	"Ryszard Kapuściński": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Journalists: General" },	"Robert Novak": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Journalists: General" },	"Randy Shilts": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Journalists: General" },	"Rush Limbaugh": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Broadcast journalists and commentators" },	"Rachel Maddow": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Broadcast journalists and commentators" },	"Richard Blackwell": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Robert Christgau": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Roger Ebert": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Ralph J. Gleason": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Robert Hilburn": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Robert Hughes (critic)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Robert Parker (wine critic)": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Rex Reed": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Richard Roeper": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Critics" },	"Rudolf Augstein": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Publishers and editors" },	"Rebekah Brooks": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Publishers and editors" },	"Roy W. Howard": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Publishers and editors" },	"Roberto Noble": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Publishers and editors" },	"Richard Steele": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Publishers and editors" },	"Richie Benaud": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Sports journalists, sportswriters, commentators and sports announcers" },	"Ray Warren": { "level": 5, "topic": "People", "sublist": "Writers and journalists", "section": "Sports journalists, sportswriters, commentators and sports announcers" },	"Rule utilitarianism": { "level": 5, "topic": "Philosophy and religion", "section": "Approaches" },	"Rationality": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_2" },	"Religious philosophy": { "level": 5, "topic": "Philosophy and religion", "section": "Religious philosophy" },	"Relationship between religion and science": { "level": 5, "topic": "Philosophy and religion", "section": "Basics_2" },	"Religious studies": { "level": 5, "topic": "Philosophy and religion", "section": "Basics_2" },	"Religious violence": { "level": 5, "topic": "Philosophy and religion", "section": "Basics_2" },	"Religious violence in India": { "level": 5, "topic": "Philosophy and religion", "section": "Basics_2" },	"Religious ecstasy": { "level": 5, "topic": "Philosophy and religion", "section": "Practices" },	"Revelation": { "level": 5, "topic": "Philosophy and religion", "section": "Practices" },	"Rite of passage": { "level": 5, "topic": "Philosophy and religion", "section": "Practices" },	"Retreat (spiritual)": { "level": 5, "topic": "Philosophy and religion", "section": "Practices" },	"Religious denomination": { "level": 5, "topic": "Philosophy and religion", "section": "Institutions" },	"Russell's teapot": { "level": 5, "topic": "Philosophy and religion", "section": "Non-theistic philosophies" },	"Repentance": { "level": 5, "topic": "Philosophy and religion", "section": "Common concepts" },	"Rapture": { "level": 5, "topic": "Philosophy and religion", "section": "Theology" },	"Resurrection of Jesus": { "level": 5, "topic": "Philosophy and religion", "section": "Theology" },	"Restorationism": { "level": 5, "topic": "Philosophy and religion", "section": "Theology" },	"Roman Curia": { "level": 5, "topic": "Philosophy and religion", "section": "Denominations" },	"Rosary": { "level": 5, "topic": "Philosophy and religion", "section": "Practices_2" },	"Rule of Saint Benedict": { "level": 5, "topic": "Philosophy and religion", "section": "Practices_2" },	"Rabbinic Judaism": { "level": 5, "topic": "Philosophy and religion", "section": "Judaism" },	"Rigveda": { "level": 5, "topic": "Philosophy and religion", "section": "Texts_2" },	"Rinzai school": { "level": 5, "topic": "Philosophy and religion", "section": "Traditions" },	"Rebirth (Buddhism)": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_6" },	"Rūpa": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_6" },	"Refuge in Buddhism": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_6" },	"Rigpa": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_6" },	"Rainbow body": { "level": 5, "topic": "Philosophy and religion", "section": "Concepts_6" },	"Right Ginza": { "level": 5, "topic": "Philosophy and religion", "section": "Other religions: General" },	"Roman festivals": { "level": 5, "topic": "Philosophy and religion", "section": "Ancient religions" },	"Rosicrucianism": { "level": 5, "topic": "Philosophy and religion", "section": "Western esotericism" },	"Ragnarök": { "level": 5, "topic": "Philosophy and religion", "section": "By culture and religion" },	"Rebecca": { "level": 5, "topic": "Philosophy and religion", "section": "Abrahamic and Judaic mythology" },	"Rachel": { "level": 5, "topic": "Philosophy and religion", "section": "Abrahamic and Judaic mythology" },	"Ruth (biblical figure)": { "level": 5, "topic": "Philosophy and religion", "section": "Abrahamic and Judaic mythology" },	"Rainbow Serpent": { "level": 5, "topic": "Philosophy and religion", "section": "Australian aborigine mythology" },	"Romulus and Remus": { "level": 5, "topic": "Philosophy and religion", "section": "Roman deities and mythological people" },	"Radha": { "level": 5, "topic": "Philosophy and religion", "section": "Hindu mythology" },	"Rishabhanatha": { "level": 5, "topic": "Philosophy and religion", "section": "Jainist mythology" },	"Ragnar Lodbrok": { "level": 5, "topic": "Philosophy and religion", "section": "Norse mythology" },	"Raijin": { "level": 5, "topic": "Philosophy and religion", "section": "Shinto mythology" },	"Raphael (archangel)": { "level": 5, "topic": "Philosophy and religion", "section": "Legendary creatures" },	"Rakshasa": { "level": 5, "topic": "Philosophy and religion", "section": "Legendary creatures" },	"Ravana": { "level": 5, "topic": "Philosophy and religion", "section": "Legendary creatures" },	"Radial velocity": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Basics" },	"Recessional velocity": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Basics" },	"Radio astronomy": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Radio astronomy" },	"Radio spectrum pollution": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Radio astronomy" },	"Rings of Jupiter": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Solar System" },	"Rings of Saturn": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Solar System" },	"Rhea (moon)": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Solar System" },	"Rings of Uranus": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Solar System" },	"Rings of Neptune": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Solar System" },	"Regulus": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Notable stars" },	"Rho Ophiuchi cloud complex": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Notable nebulae" },	"Rosette Nebula": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Notable nebulae" },	"R136": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Notable star clusters" },	"Roche limit": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Celestial mechanics" },	"Right ascension": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Celestial sphere: General" },	"Reticulum": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Other" },	"Rogue planet": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Planetary science" },	"Rare Earth hypothesis": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Planetary science" },	"RR Lyrae variable": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Roche lobe": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Radio-quiet neutron star": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Red dwarf": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Red supergiant": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Red-giant branch": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"R-process": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Radiation zone": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Stellar astronomy" },	"Reflection nebula": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Basics_2" },	"Ring galaxy": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Galaxy classification" },	"Recombination (cosmology)": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Physical cosmology" },	"Reionization": { "level": 5, "topic": "Physical sciences", "sublist": "Astronomy", "section": "Physical cosmology" },	"Reproducibility": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Science basics" },	"Replication crisis": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Science basics" },	"Rod (unit)": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "English" },	"Rood (unit)": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Area" },	"Reyn": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Viscosity" },	"Radian per second": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Angular velocity" },	"Revolutions per minute": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Angular velocity" },	"Relative density": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Ratio" },	"Rankine scale": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Temperature" },	"Roentgen (unit)": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Exposure" },	"Rad (radiation unit)": { "level": 5, "topic": "Physical sciences", "sublist": "Basics and measurement", "section": "Absorbed dose" },	"Regulation of chemicals": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Basics: General" },	"Relative atomic mass": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Periodic table" },	"Reactivity (chemistry)": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Reaction" },	"Reagent": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Reaction" },	"Ribbon diagram": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Substance" },	"Rutherfordium": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Group 4" },	"Roentgenium": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Group 11" },	"Rare-earth element": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Lanthanides" },	"Rare-earth barium copper oxide": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Ceramic compounds" },	"Resin": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Terpenes and terpenoids" },	"Rosin": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Terpenes and terpenoids" },	"Radioanalytical chemistry": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Basics_2" },	"Redox indicator": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Chemical methods" },	"Raman spectroscopy": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Spectroscopy" },	"Reaction intermediate": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Basics_3" },	"Reversible reaction": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Basics_3" },	"Radical polymerization": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Organic reactions" },	"Ring-opening polymerization": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Organic reactions" },	"Rearrangement reaction": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Organic reactions" },	"Rust": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Redox reactions" },	"Reducing agent": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Redox reactions" },	"Retrosynthetic analysis": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Synthetic strategies" },	"Random column packing": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Phase separations" },	"Reverse osmosis": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Other separations" },	"Recrystallization (chemistry)": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Other separations" },	"Resonance (chemistry)": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Bond structure" },	"Reduction potential": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Electrochemistry" },	"Reactivity series": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Electrochemistry" },	"Rate equation": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Kinetics" },	"Rate-determining step": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Kinetics" },	"Reaction rate": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Kinetics" },	"Reaction rate constant": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Kinetics" },	"Reaction coordinate": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Kinetics" },	"Racemic mixture": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Stereochemistry" },	"Racemization": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Stereochemistry" },	"Ring flip": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Stereochemistry" },	"Reaction quotient": { "level": 5, "topic": "Physical sciences", "sublist": "Chemistry", "section": "Thermodynamics" },	"Riparian zone": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Wetlands" },	"Radiative forcing": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Climate change" },	"Rain and snow mixed": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Precipitation" },	"Rain shadow": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Precipitation" },	"Remineralisation": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochemistry" },	"Radium and radon in the environment": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochemistry" },	"Recrystallization (geology)": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochemistry" },	"Richter scale": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Seismology" },	"Radiometric dating": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochronology" },	"Rubidium–strontium dating": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochronology" },	"Relative dating": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geochronology" },	"Rodinia": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Paleogeography" },	"Rheic Ocean": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Paleogeography" },	"Rhodochrosite": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Minerals" },	"Rutile": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Minerals" },	"Realgar": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Minerals" },	"Rhyolite": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Petrology" },	"Ripple marks": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Sedimentology" },	"Roundness (geology)": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Sedimentology" },	"Regolith": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Sedimentology" },	"Rift": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Tectonics" },	"Rockslide": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Geomorphology: General" },	"Rift valley": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Landforms: General" },	"Ravine": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Landforms: General" },	"River morphology": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Fluvial landforms" },	"Ridge": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Montane landforms" },	"River island": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Oceanic and coastal landforms" },	"Reef": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Oceanic and coastal landforms" },	"Rip current": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Oceanography" },	"Rogue wave": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Oceanography" },	"Rift lake": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Hydrology" },	"River mouth": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Hydrology" },	"River ecosystem": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Hydrology" },	"River source": { "level": 5, "topic": "Physical sciences", "sublist": "Earth science", "section": "Hydrology" },	"Renormalization": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Physics basics: General" },	"Rutherford model": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Atomic physics" },	"Rydberg constant": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Atomic physics" },	"Rydberg formula": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Atomic physics" },	"Rutherford scattering": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Atomic physics" },	"Rigid rotor": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Molecular physics" },	"Rotational–vibrational spectroscopy": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Molecular physics" },	"Rotational spectroscopy": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Molecular physics" },	"Ray (optics)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Optics" },	"Reflection coefficient": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Optics" },	"Rayleigh scattering": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Optics" },	"RGB color spaces": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"Rec. 601": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"Rec. 709": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"Rec. 2020": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"Rec. 2100": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"RGBA color model": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"RYB color model": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics" },	"Rose (color)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Colors" },	"Ruby (color)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Colors" },	"Rock magnetism": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Basics_2" },	"Reciprocal lattice": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Crystallography" },	"Retarded time": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electrodynamics" },	"Right-hand rule": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electrodynamics" },	"Radiative transfer": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electromagnetic radiation" },	"Radiant flux": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electromagnetic radiation" },	"Radiance": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electromagnetic radiation" },	"Radiometry": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Electromagnetic radiation" },	"Rotation operator (quantum mechanics)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Quantum mechanics" },	"Relativistic quantum mechanics": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Quantum mechanics" },	"Reduced mass": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Rolling resistance": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Rolling": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Restoring force": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Radiation pressure": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Resultant force": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Relative velocity": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Reaction (physics)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Classical mechanics" },	"Rheology": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Fluid mechanics" },	"Rayleigh problem": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Fluid mechanics" },	"Rigid body": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Solid mechanics" },	"Rigid body dynamics": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Solid mechanics" },	"Radioactive source": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Nuclear physics" },	"Relativistic Heavy Ion Collider": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Devices" },	"Rapidity": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Theory of relativity" },	"Relativity of simultaneity": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Theory of relativity" },	"Rankine cycle": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Thermodynamics" },	"Redlich–Kwong equation of state": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Thermodynamics" },	"Reversible process (thermodynamics)": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Thermodynamics" },	"Relativistic Doppler effect": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Waves" },	"Radio frequency": { "level": 5, "topic": "Physical sciences", "sublist": "Physics", "section": "Waves" },	"Rave": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Festivals, holidays, and observances" },	"Remembrance Day": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Specific holidays and festivals" },	"Royal Library, Denmark": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Europe" },	"Russian State Library": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Europe" },	"Rice University": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "United States" },	"Rutgers University": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Big Ten" },	"RWTH Aachen University": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "TU9" },	"Russian Academy of Sciences": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Eastern Europe" },	"Ryukyuan people": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Asia_3" },	"Reduplication": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Grammar" },	"Rhotic consonant": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Descriptive linguistics" },	"Register (sociolinguistics)": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Descriptive linguistics" },	"Reference": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Theoretical linguistics" },	"Romanization": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Alphabets and writing systems" },	"Romanization of Arabic": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Alphabets and writing systems" },	"Romanization of Chinese": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Alphabets and writing systems" },	"Romanization of Japanese": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Alphabets and writing systems" },	"Rongorongo": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Alphabets and writing systems" },	"Romani language": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Indo-Aryan languages" },	"Regional Italian": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Romance languages" },	"Romansh language": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Romance languages" },	"Rwanda-Rundi": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Niger–Congo languages" },	"Rhoticity in English": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "The English language" },	"Rhyming slang": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "The English language" },	"Received Pronunciation": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "The English language" },	"Radical media": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Mass media" },	"Residual media": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Mass media" },	"Reader's Digest": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Specific magazines" },	"Rolling Stone": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Specific magazines" },	"Reuters": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "News agencies" },	"RIA Novosti": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "News agencies" },	"Radio program": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Radio" },	"Radio network": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Radio" },	"Radio personality": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Radio" },	"Radio drama": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Genres" },	"RTHK": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Networks" },	"Russia-1": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Russian TV networks" },	"RT (TV network)": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Russian TV networks" },	"Ramayan (1987 TV series)": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "India_3" },	"Rowan \u0026 Martin's Laugh-In": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "1960–1979" },	"Roots (1977 miniseries)": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "1960–1979" },	"Roseanne": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "1980–1999" },	"Rugrats": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "1980–1999" },	"Rick and Morty": { "level": 5, "topic": "Society and social sciences", "sublist": "Culture", "section": "Post-1999" },	"Reserve currency": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Currency" },	"Russian ruble": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Specific currencies" },	"Retail banking": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Banking and financing" },	"Rate of return": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Banking and financing" },	"Real property": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Business: General" },	"Real estate development": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Industry" },	"Recruitment": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Employment" },	"Résumé": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Employment" },	"Revenue service": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Taxation" },	"Receptionist": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Common trades and professions" },	"RENGO": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Individual trade unions" },	"Rational choice theory": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Economics_2" },	"Resource": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Economics_2" },	"Risk": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Economics_2" },	"Renault": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Europe_2" },	"Rio Tinto (corporation)": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Mining companies" },	"Ryanair": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Europe_3" },	"Renfe": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rail operators" },	"Russian Railways": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rail operators" },	"Rule of lenity": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Basics" },	"Restorative justice": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Dispute resolution" },	"Right to property": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rights" },	"Reproductive rights": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rights" },	"Right of self-defense": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rights" },	"Right to a fair trial": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Rights" },	"Roman law": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Europe_4" },	"Regulation": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Administrative law" },	"Regulatory agency": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Administrative law" },	"Regulatory compliance": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Administrative law" },	"Rulemaking": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Administrative law" },	"Relevance (law)": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Common law" },	"Ratification": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Constitutional law" },	"Royal prerogative": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Constitutional law" },	"Repeal": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Statutory law" },	"Resolution (law)": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Statutory law" },	"Revenge porn": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Crimes against the person" },	"Record sealing": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Legal procedure: General" },	"Right to silence": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Criminal procedure" },	"Royal charter": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Documents" },	"Roe v. Wade": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "United States" },	"RSPCA": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Non-governmental organizations" },	"Reporters Without Borders": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Humanitarian organizations" },	"Rashtriya Swayamsevak Sangh": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "National organizations" },	"Royal Academy of Arts": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "National organizations" },	"Royal Society": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "National organizations" },	"Republican Party (United States)": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Political parties" },	"Russian mafia": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Organized crime groups" },	"Representative democracy": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Power source" },	"Right-wing politics": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Ideology and political theory" },	"Republicanism": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Ideology and political theory" },	"Reactionary": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Ideology and political theory" },	"Resource war": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Wars by type" },	"Rebellion": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Wars by type" },	"Ritual warfare": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Wars by type" },	"Russian Armed Forces": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Military forces" },	"Rear admiral": { "level": 5, "topic": "Society and social sciences", "sublist": "Politics and economics", "section": "Military ranks" },	"Rationalization (psychology)": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Concepts" },	"Regret": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Emotions and traits" },	"Resentment": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Interpersonal relations" },	"Religious organization": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Groups" },	"Relative deprivation": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Issues" },	"Rejection of evolution by religious groups": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Issues" },	"Reformism (historical)": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Issues" },	"Radical feminism": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Social status" },	"Reputation": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Social status" },	"Role": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Social status" },	"Role model": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Social status" },	"Ruling class": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Social classes" },	"Reverse discrimination": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Discrimination" },	"Religious discrimination": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Discrimination" },	"Reflexivity (social theory)": { "level": 5, "topic": "Society and social sciences", "sublist": "Social studies", "section": "Sociology" },	"Research and development": { "level": 5, "topic": "Technology", "section": "General" },	"Risk management": { "level": 5, "topic": "Technology", "section": "Basics" },	"Requirements analysis": { "level": 5, "topic": "Technology", "section": "Basics" },	"Reverse engineering": { "level": 5, "topic": "Technology", "section": "Basics" },	"Radio-frequency engineering": { "level": 5, "topic": "Technology", "section": "Disciplines" },	"Railway engineering": { "level": 5, "topic": "Technology", "section": "Disciplines" },	"Rainfed agriculture": { "level": 5, "topic": "Technology", "section": "Agriculture_2" },	"Regenerative agriculture": { "level": 5, "topic": "Technology", "section": "Agriculture_2" },	"Raceway (aquaculture)": { "level": 5, "topic": "Technology", "section": "Aquaculture" },	"Rodenticide": { "level": 5, "topic": "Technology", "section": "Pest and disease control" },	"Raised field": { "level": 5, "topic": "Technology", "section": "Buildings and infrastructure" },	"Ranch": { "level": 5, "topic": "Technology", "section": "Buildings and infrastructure" },	"Recombinant DNA": { "level": 5, "topic": "Technology", "section": "Biotechnology" },	"Real-time computing": { "level": 5, "topic": "Technology", "section": "Computer science" },	"Ransomware": { "level": 5, "topic": "Technology", "section": "Computer security" },	"RSA (cryptosystem)": { "level": 5, "topic": "Technology", "section": "Computer security" },	"Reboot": { "level": 5, "topic": "Technology", "section": "Computer hardware" },	"Real-time clock": { "level": 5, "topic": "Technology", "section": "Computer hardware" },	"Real-time operating system": { "level": 5, "topic": "Technology", "section": "Operating systems" },	"RAID": { "level": 5, "topic": "Technology", "section": "Data storage and memory" },	"RAR (file format)": { "level": 5, "topic": "Technology", "section": "File format" },	"Routing": { "level": 5, "topic": "Technology", "section": "Networks" },	"Reverse proxy": { "level": 5, "topic": "Technology", "section": "Networks" },	"Rotten Tomatoes": { "level": 5, "topic": "Technology", "section": "Utility" },	"Reddit": { "level": 5, "topic": "Technology", "section": "Social network and blogging" },	"Reusability": { "level": 5, "topic": "Technology", "section": "Software development: General" },	"Recursion (computer science)": { "level": 5, "topic": "Technology", "section": "Software development: General" },	"Regular expression": { "level": 5, "topic": "Technology", "section": "Software development: General" },	"R (programming language)": { "level": 5, "topic": "Technology", "section": "Programming languages" },	"Ruby (programming language)": { "level": 5, "topic": "Technology", "section": "Scripting languages" },	"Radio receiver": { "level": 5, "topic": "Technology", "section": "Other media and communication technology" },	"Raspberry Pi": { "level": 5, "topic": "Technology", "section": "Specific hardware" },	"Rotary switch": { "level": 5, "topic": "Technology", "section": "Components" },	"Rectifier": { "level": 5, "topic": "Technology", "section": "Functional circuits" },	"Repowering": { "level": 5, "topic": "Technology", "section": "Concepts" },	"Residual-current device": { "level": 5, "topic": "Technology", "section": "Electrical protective devices" },	"Respirator": { "level": 5, "topic": "Technology", "section": "Food, water and health" },	"Rocker box": { "level": 5, "topic": "Technology", "section": "Metallurgy" },	"Rayon": { "level": 5, "topic": "Technology", "section": "Fabrics and fibers" },	"Ring spinning": { "level": 5, "topic": "Technology", "section": "Spinning" },	"Ready-mix concrete": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Reinforced concrete": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Rebar": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Roman concrete": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Rammed earth": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Roof shingle": { "level": 5, "topic": "Technology", "section": "Building materials" },	"Remediation of contaminated sites with cement": { "level": 5, "topic": "Technology", "section": "Environmental remediation" },	"Rogun Dam": { "level": 5, "topic": "Technology", "section": "Dams" },	"Rainbow Bridge (Niagara Falls)": { "level": 5, "topic": "Technology", "section": "Bridges" },	"Rainbow Bridge (Tokyo)": { "level": 5, "topic": "Technology", "section": "Bridges" },	"Rialto Bridge": { "level": 5, "topic": "Technology", "section": "Bridges" },	"Robotic arm": { "level": 5, "topic": "Technology", "section": "Machinery and tools: General" },	"Reciprocating engine": { "level": 5, "topic": "Technology", "section": "Engines" },	"Rivet gun": { "level": 5, "topic": "Technology", "section": "Hydraulics and pneumatics" },	"Reaper": { "level": 5, "topic": "Technology", "section": "Farm and garden machinery" },	"Reaper-binder": { "level": 5, "topic": "Technology", "section": "Farm and garden machinery" },	"Rice cooker": { "level": 5, "topic": "Technology", "section": "Household appliances" },	"Rack and pinion": { "level": 5, "topic": "Technology", "section": "Simple mechanisms" },	"Ratchet (device)": { "level": 5, "topic": "Technology", "section": "Simple mechanisms" },	"Rod end bearing": { "level": 5, "topic": "Technology", "section": "Simple mechanisms" },	"Roller (agricultural tool)": { "level": 5, "topic": "Technology", "section": "Agricultural tools" },	"Reticle": { "level": 5, "topic": "Technology", "section": "Surveying tools" },	"Reflex hammer": { "level": 5, "topic": "Technology", "section": "Devices" },	"Retainer (orthodontics)": { "level": 5, "topic": "Technology", "section": "Equipment" },	"Reactive armour": { "level": 5, "topic": "Technology", "section": "Armour" },	"Ravelin": { "level": 5, "topic": "Technology", "section": "Fortification" },	"Rampart (fortification)": { "level": 5, "topic": "Technology", "section": "Fortification" },	"Ranged weapon": { "level": 5, "topic": "Technology", "section": "Ranged weapons" },	"Recurve bow": { "level": 5, "topic": "Technology", "section": "Archery" },	"Repeating crossbow": { "level": 5, "topic": "Technology", "section": "Archery" },	"Railgun": { "level": 5, "topic": "Technology", "section": "Artillery" },	"Revolver": { "level": 5, "topic": "Technology", "section": "Firearms" },	"Rotary cannon": { "level": 5, "topic": "Technology", "section": "Firearms" },	"Repeating firearm": { "level": 5, "topic": "Technology", "section": "Mechanisms_2" },	"Rifling": { "level": 5, "topic": "Technology", "section": "Mechanisms_2" },	"Rocket-propelled grenade": { "level": 5, "topic": "Technology", "section": "Missiles" },	"Reconnaissance aircraft": { "level": 5, "topic": "Technology", "section": "Military aviation" },	"Rockwell B-1 Lancer": { "level": 5, "topic": "Technology", "section": "Specific aircraft" },	"Rubber bullet": { "level": 5, "topic": "Technology", "section": "Less-lethal weapons" },	"Ruby laser": { "level": 5, "topic": "Technology", "section": "Lasers" },	"Rangefinder camera": { "level": 5, "topic": "Technology", "section": "Photography" },	"Reflecting telescope": { "level": 5, "topic": "Technology", "section": "Telescope" },	"Ritchey–Chrétien telescope": { "level": 5, "topic": "Technology", "section": "Telescope" },	"Refracting telescope": { "level": 5, "topic": "Technology", "section": "Telescope" },	"ROSAT": { "level": 5, "topic": "Technology", "section": "Space-based observatories" },	"Rover (space exploration)": { "level": 5, "topic": "Technology", "section": "Rovers" },	"Rail yard": { "level": 5, "topic": "Technology", "section": "Concepts of ground transport" },	"Rest area": { "level": 5, "topic": "Technology", "section": "Concepts of ground transport" },	"Railway platform": { "level": 5, "topic": "Technology", "section": "Concepts of ground transport" },	"Road junction": { "level": 5, "topic": "Technology", "section": "Road infrastructure" },	"Rat bike": { "level": 5, "topic": "Technology", "section": "Motorized road transport" },	"Railway electrification": { "level": 5, "topic": "Technology", "section": "Rail and cable transport" },	"Railroad car": { "level": 5, "topic": "Technology", "section": "Rail and cable transport" },	"Rolling stock": { "level": 5, "topic": "Technology", "section": "Rail and cable transport" },	"Rail freight transport": { "level": 5, "topic": "Technology", "section": "Rail and cable transport" },	"Recumbent bicycle": { "level": 5, "topic": "Technology", "section": "Human-powered transport" },	"Road roller": { "level": 5, "topic": "Technology", "section": "Specific-purpose transportation" },	"Remotely operated underwater vehicle": { "level": 5, "topic": "Technology", "section": "Naval transport" },	"Runway": { "level": 5, "topic": "Technology", "section": "Aviation" },	"Rigid airship": { "level": 5, "topic": "Technology", "section": "Aviation" },	"Rotorcraft": { "level": 5, "topic": "Technology", "section": "Aviation" },	"Radial engine": { "level": 5, "topic": "Technology", "section": "Aviation" },	"Roman roads": { "level": 5, "topic": "Technology", "section": "Ground transportation networks" },	"Rio de Janeiro Metro": { "level": 5, "topic": "Technology", "section": "Brazil" },	"Réseau Express Régional": { "level": 5, "topic": "Technology", "section": "France" },	"Rome Metro": { "level": 5, "topic": "Technology", "section": "Italy" },	"Rotterdam Metro": { "level": 5, "topic": "Technology", "section": "Netherlands" } }