Classification
D - World History
288
P - Language and Literature
157
B - Philosophy, Psychology, Religion
86
H - Social Science
56
F - General American History
47
K - Law
39
M - Music
31
E - United States History
26
J - Political Science
24
Q - Science
20
Z - Library Science
20
C - Historical Sciences
19
G - Geography, Anthropology, Recreation
15
L - Education
15
N - Fine Arts
13
R - Medicine
13
A - General Works
10
S - Agriculture
6
T - Technology
6
V - Naval Science
3
U - Military Science
1