Classification
M - Music
80
H - Social Science
32
D - World History
29
S - Agriculture
25
E - United States History
16
T - Technology
16
F - General American History
15
Q - Science
14
Z - Library Science
10
K - Law
8
C - Historical Sciences
7
J - Political Science
7
R - Medicine
4
G - Geography, Anthropology, Recreation
3
L - Education
3
B - Philosophy, Psychology, Religion
2
P - Language and Literature
1