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