Classification
P - Language and Literature
22
H - Social Science
18
D - World History
14
K - Law
13
Q - Science
12
R - Medicine
10
B - Philosophy, Psychology, Religion
9
J - Political Science
9
T - Technology
8
G - Geography, Anthropology, Recreation
2
N - Fine Arts
2
S - Agriculture
2
U - Military Science
2
M - Music
1