Classification
M - Music
44
F - General American History
25
H - Social Science
25
D - World History
24
L - Education
8
R - Medicine
6
S - Agriculture
6
T - Technology
5
B - Philosophy, Psychology, Religion
3
P - Language and Literature
3
Z - Library Science
3
J - Political Science
2
A - General Works
1
N - Fine Arts
1
V - Naval Science
1