Classification
S - Agriculture
13
H - Social Science
8
D - World History
6
J - Political Science
5
T - Technology
5
E - United States History
3
L - Education
3
M - Music
3
P - Language and Literature
3
R - Medicine
2
F - General American History
1
G - Geography, Anthropology, Recreation
1
K - Law
1
N - Fine Arts
1
U - Military Science
1
Z - Library Science
1