Library of Congress Call Number
P - Language and Literature
450
H - Social Science
317
J - Political Science
142
R - Medicine
124
T - Technology
86
L - Education
71
D - World History
64
N - Fine Arts
44
F - General American History
43
E - United States History
38
B - Philosophy, Psychology, Religion
23
K - Law
17
Z - Library Science
14
G - Geography, Anthropology, Recreation
10
C - Historical Sciences
8
Q - Science
7
M - Music
6
S - Agriculture
5