Classification
H - Social Science
272
S - Agriculture
118
B - Philosophy, Psychology, Religion
105
K - Law
75
D - World History
54
L - Education
50
T - Technology
46
Q - Science
42
R - Medicine
40
J - Political Science
31
C - Historical Sciences
28
Z - Library Science
18
M - Music
14
A - General Works
8
N - Fine Arts
7
F - General American History
6
E - United States History
5
G - Geography, Anthropology, Recreation
4
U - Military Science
3
V - Naval Science
2
P - Language and Literature
1