Classification
M - Music
61
E - United States History
41
F - General American History
9
D - World History
7
K - Law
6
T - Technology
6
Z - Library Science
6
C - Historical Sciences
5
H - Social Science
5
J - Political Science
5
U - Military Science
3
A - General Works
1
B - Philosophy, Psychology, Religion
1
V - Naval Science
1