Classification
D - World History
92
A - General Works
64
R - Medicine
46
B - Philosophy, Psychology, Religion
26
J - Political Science
23
F - General American History
21
H - Social Science
21
N - Fine Arts
20
P - Language and Literature
7
M - Music
5
U - Military Science
3
C - Historical Sciences
2
G - Geography, Anthropology, Recreation
2
S - Agriculture
2
V - Naval Science
2
Z - Library Science
2
E - United States History
1
Q - Science
1
T - Technology
1