Research Guides: NBL Reference Toolkit: Library of Congress Classification

Letter Classification

A	General Works
B	Philosophy, Psychology, and Religion
C	Auxiliary Sciences of History
D	World history and history of Europe, Asia, Africa, Australia, New Zealand, Etc
E	History of the Americas
F	History of the Americas
G	Geography, Anthropology, and Recreation
H	Social Sciences
J	Political Science
K	Law
L	Education
M	Music
N	Fine Arts
P	Language and Literature
Q	Science
R	Medicine
S	Agriculture
T	Technology
U	Military Science
V	Naval Science
Z	Bibliography, Library Science, and Information Resources (general)

Further detail

Further breakdown of the general letters can be found here.

Further breakdown of the music call numbers can be found here.

Library of Congress call number website can be found here.

Named Authority Files

The Library of Congress Authories are located here. It's useful for finding the proper name of people, or finding subject headings used by the Library of Congress.