Classification
D - World History
209
F - General American History
167
M - Music
60
P - Language and Literature
56
B - Philosophy, Psychology, Religion
33
H - Social Science
21
K - Law
10
A - General Works
9
G - Geography, Anthropology, Recreation
9
Q - Science
9
N - Fine Arts
8
R - Medicine
7
C - Historical Sciences
6
S - Agriculture
4
E - United States History
3
Z - Library Science
3
L - Education
2
J - Political Science
1
T - Technology
1
U - Military Science
1