Classification
M - Music
64
D - World History
40
F - General American History
8
G - Geography, Anthropology, Recreation
4
S - Agriculture
4
P - Language and Literature
3
A - General Works
2
B - Philosophy, Psychology, Religion
2
E - United States History
2
Q - Science
2
T - Technology
2
C - Historical Sciences
1
K - Law
1
R - Medicine
1