CLASSIFICATION
H - Social Science
7,304
J - Political Science
256
D - World History
223
L - Education
68
R - Medicine
56
E - United States History
45
K - Law
35
A - General Works
29
C - Historical Sciences
24
T - Technology
15
G - Geography, Anthropology, Recreation
14
S - Agriculture
14
F - General American History
10
M - Music
9
P - Language and Literature
5
Q - Science
4
U - Military Science
4
Z - Library Science
4
B - Philosophy, Psychology, Religion
3
V - Naval Science
3
N - Fine Arts
1