Classification
D - World History
35
G - Geography, Anthropology, Recreation
11
C - Historical Sciences
5
N - Fine Arts
5
P - Language and Literature
3
E - United States History
2
J - Political Science
2
A - General Works
1
B - Philosophy, Psychology, Religion
1
F - General American History
1
K - Law
1
Q - Science
1
Z - Library Science
1