Classification
D - World History
106
P - Language and Literature
73
M - Music
59
R - Medicine
28
B - Philosophy, Psychology, Religion
23
E - United States History
18
A - General Works
13
F - General American History
8
N - Fine Arts
8
C - Historical Sciences
6
H - Social Science
6
J - Political Science
5
U - Military Science
3
K - Law
2
Z - Library Science
2
G - Geography, Anthropology, Recreation
1
L - Education
1
V - Naval Science
1