Classification
D - World History
21
K - Law
13
H - Social Science
8
P - Language and Literature
7
A - General Works
6
B - Philosophy, Psychology, Religion
4
N - Fine Arts
4
S - Agriculture
3
E - United States History
2
G - Geography, Anthropology, Recreation
2
M - Music
2
Q - Science
2
R - Medicine
2
J - Political Science
1
U - Military Science
1