Classification
H - Social Science
192
M - Music
157
J - Political Science
83
K - Law
83
S - Agriculture
56
D - World History
47
L - Education
27
F - General American History
23
A - General Works
22
Q - Science
21
T - Technology
19
P - Language and Literature
18
C - Historical Sciences
12
E - United States History
10
B - Philosophy, Psychology, Religion
9
R - Medicine
8
Z - Library Science
6
G - Geography, Anthropology, Recreation
4
U - Military Science
3
V - Naval Science
1