Library of Congress Call Number
P - Language and Literature
873
J - Political Science
446
M - Music
257
E - United States History
246
H - Social Science
239
R - Medicine
86
G - Geography, Anthropology, Recreation
80
Z - Library Science
78
D - World History
71
N - Fine Arts
69
B - Philosophy, Psychology, Religion
63
F - General American History
56
Q - Science
56
K - Law
35
T - Technology
35
L - Education
29
U - Military Science
12
C - Historical Sciences
10
S - Agriculture
7
V - Naval Science
6
A - General Works
5