Classification
M - Music
60
D - World History
59
J - Political Science
27
P - Language and Literature
27
E - United States History
19
H - Social Science
13
A - General Works
8
R - Medicine
8
B - Philosophy, Psychology, Religion
7
F - General American History
5
K - Law
5
U - Military Science
4
C - Historical Sciences
3
Z - Library Science
2