Classification
M - Music
74
D - World History
55
H - Social Science
39
P - Language and Literature
32
K - Law
26
F - General American History
13
S - Agriculture
13
B - Philosophy, Psychology, Religion
11
L - Education
11
J - Political Science
8
Q - Science
8
A - General Works
7
R - Medicine
5
C - Historical Sciences
4
Z - Library Science
4
E - United States History
3
G - Geography, Anthropology, Recreation
3
N - Fine Arts
2
T - Technology
1