Classification
P - Language and Literature
73
D - World History
31
R - Medicine
15
B - Philosophy, Psychology, Religion
12
H - Social Science
7
Q - Science
7
K - Law
4
N - Fine Arts
4
C - Historical Sciences
2
J - Political Science
2
L - Education
2
E - United States History
1
G - Geography, Anthropology, Recreation
1
S - Agriculture
1