Research Guides

Library of Congress Classification List

This list explains what the various letters refer to in the classification system. There are examples corresponding to certain areas.

A. General works
Examples: General encyclopedias, such as Academic American Encyclopedia (AE)
B. Philosophy, Psychology and Religion
Examples: Philosophy (B) Psychology (BF)
C. Auxiliary Sciences of History
Example: General biographical books (CT)
D. History: General and old World (Eastern Hemisphere)
Examples: Great Britain (DA)
E-F History: America (Western Hemisphere)
Examples: African American History (E 185's)
G. Geography, Maps, Anthropology, Recreation
Examples: Recreation, Sports and Games (GV)
H. Social Sciences
Examples: Statistics (HA), Finance (HG), General Business (HF), Sociology (HM)
J. Political Science
K. Law (General)
Example: United States Law (KF)
L. Education
Examples: Higher Education (LA)
M. Music
Examples: Composers (ML)
N. Fine Arts
Examples: Architecture (NA), Drawing and Design (NC), Painting (ND)
P. Language and Literature
Examples: English Language Dictionaries (PE), English Literature (PR)
American Literature (PS)
Q. Science
Examples: Mathematics (QA), Computer Programming and languages (QA)
R. Medicine
Examples: Nutrition (RA)
S. Agriculture
T. Technology
Examples: Networking (TK), Manufacturing (TS)
U. Military Science
V. Naval Science
Z. Bibliography: Library Science, Documentation preparation
Examples: Internet Research (ZA)