CLASSIFICATION
D - World History
6,022
J - Political Science
3,527
H - Social Science
1,368
E - United States History
739
F - General American History
448
P - Language and Literature
269
L - Education
154
K - Law
142
C - Historical Sciences
113
B - Philosophy, Psychology, Religion
102
U - Military Science
62
G - Geography, Anthropology, Recreation
59
A - General Works
50
V - Naval Science
40
T - Technology
25
M - Music
22
S - Agriculture
19
N - Fine Arts
9
Z - Library Science
8
Q - Science
3
R - Medicine
1