CLASSIFICATION
H - Social Science
9,662
D - World History
1,037
L - Education
375
J - Political Science
232
G - Geography, Anthropology, Recreation
132
E - United States History
112
C - Historical Sciences
105
F - General American History
94
A - General Works
89
S - Agriculture
58
T - Technology
42
R - Medicine
35
V - Naval Science
31
M - Music
14
Z - Library Science
14
P - Language and Literature
13
B - Philosophy, Psychology, Religion
12
K - Law
11
Q - Science
11
U - Military Science
7
N - Fine Arts
6