Classification
P - Language and Literature
141
D - World History
97
H - Social Science
65
J - Political Science
11
B - Philosophy, Psychology, Religion
8
R - Medicine
6
K - Law
5
L - Education
5
Q - Science
4
T - Technology
4
G - Geography, Anthropology, Recreation
3
U - Military Science
3
E - United States History
2
S - Agriculture
2
F - General American History
1
M - Music
1
N - Fine Arts
1