Classification
D - World History
325
P - Language and Literature
163
B - Philosophy, Psychology, Religion
91
H - Social Science
69
K - Law
42
F - General American History
41
M - Music
28
E - United States History
26
J - Political Science
26
N - Fine Arts
21
Z - Library Science
21
C - Historical Sciences
17
Q - Science
17
G - Geography, Anthropology, Recreation
15
L - Education
13
R - Medicine
11
A - General Works
9
T - Technology
7
S - Agriculture
5
V - Naval Science
3
U - Military Science
1