Classification
D - World History
38
K - Law
31
H - Social Science
17
F - General American History
11
Z - Library Science
11
E - United States History
7
P - Language and Literature
7
B - Philosophy, Psychology, Religion
6
J - Political Science
5
A - General Works
2
C - Historical Sciences
2
G - Geography, Anthropology, Recreation
2
N - Fine Arts
2
S - Agriculture
2
Q - Science
1
R - Medicine
1
T - Technology
1