Classification
M - Music
50
H - Social Science
35
L - Education
10
C - Historical Sciences
7
K - Law
6
D - World History
5
S - Agriculture
5
G - Geography, Anthropology, Recreation
3
P - Language and Literature
3
Q - Science
3
E - United States History
2
N - Fine Arts
2
B - Philosophy, Psychology, Religion
1
F - General American History
1
J - Political Science
1
Z - Library Science
1