File:Gino Severini, 1910-11, La Modiste (The Milliner), oil on canvas, 64.8 x 48.3 cm, Philadelphia Museum of Art.jpg

Published 1911, 1912, 1913

 * Die Futuristen: Umberto Boccioni, et al., Künstlerische Leitung: Zeitschrift Der Sturm. Hrsg. Herwarth Walden. 7. und 8. Tausend dieses Katalogs, 1911
 * The New-York Tribune (New York N.Y.), 3 March 1912, Retrieved from the Library of Congress
 * The Herald, New York, October 1913. Walt Kuhn scrapbook of press clippings documenting the Armory Show, vol. 1, 1913