Classification
M - Music
59
H - Social Science
42
P - Language and Literature
17
S - Agriculture
17
D - World History
16
F - General American History
13
C - Historical Sciences
12
E - United States History
10
K - Law
9
B - Philosophy, Psychology, Religion
8
J - Political Science
5
L - Education
3
Q - Science
2
A - General Works
1
T - Technology
1
U - Military Science
1
V - Naval Science
1
Z - Library Science
1