Classification
P - Language and Literature
236
H - Social Science
23
D - World History
19
B - Philosophy, Psychology, Religion
10
K - Law
7
M - Music
7
J - Political Science
4
F - General American History
3
U - Military Science
3
E - United States History
2
Q - Science
2
R - Medicine
2
A - General Works
1
L - Education
1
S - Agriculture
1