Classification
K - Law
127
E - United States History
71
J - Political Science
31
D - World History
9
H - Social Science
7
Z - Library Science
6
F - General American History
4
U - Military Science
4
R - Medicine
3
P - Language and Literature
2
Q - Science
2
B - Philosophy, Psychology, Religion
1
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
T - Technology
1