Library of Congress Classification:Class A -- General Works

Class A: General Works is a classification used by the United States Library of Congress Classification system. This article outlines the subclasses of Class A.

AC – collections. series. collected works
1–999......Collections; Series; Collected works
 * 1–195..........Collections of monographs, essays, etc.
 * 1–8...........American and English
 * 9-195.......Other languages
 * 200.............Collections for Jewish readers
 * 801–895......Inaugural and program dissertations
 * 901–995......Pamphlet collections
 * 999.............Scrapbooks

AE – encyclopedias
1–(90)......Encyclopedias
 * 5–(90)......By language

AG – dictionaries and other general reference works
2–600......Dictionaries and other general reference works

AI – indexes
1–21......Indexes

AM – museums; collectors and collecting
1–(501)......Museums; Collectors and collecting
 * 10–100........By country
 * 111–160.......Museology. Museum methods, technique, etc.
 * 200–(501)......Collectors and collecting

AN – newspapers

 * AN......Newspapers

AP – periodicals
1-(271)......Periodicals
 * 101–115...........Humorous periodicals
 * 200–230...........Juvenile periodicals
 * (250)–(265)......Periodicals for women
 * (270)–(271)......Periodicals for Blacks

AS – academies and learned societies
1–945......Academics and learned societies
 * 2.5-4.........International associations, congresses, conferences, etc.
 * 11–785......By region or country

AY – yearbooks; almanacs; directories
10–2001......Yearbooks; Almanacs; Directories
 * 10–29..........Annuals
 * 30-1730......Almanacs
 * 2001............Directories. General works on the compilation of directories, etc.

AZ – history of scholarship and learning; the humanities
(20)–999......History of scholarship and learning; the humanities
 * 101–(181)......Philosophy; Theory
 * 191–193.........Evaluation
 * 200–361.........History
 * 501–908.........By region or country