Library of Congress Call Number
R - Medicine
527
H - Social Science
141
L - Education
20
E - United States History
18
U - Military Science
15
G - Geography, Anthropology, Recreation
13
D - World History
11
Z - Library Science
11
K - Law
9
B - Philosophy, Psychology, Religion
8
Q - Science
8
J - Political Science
7
T - Technology
7
F - General American History
5
M - Music
5
S - Agriculture
4
P - Language and Literature
2
C - Historical Sciences
1