Classification
H - Social Science
144
M - Music
34
L - Education
27
S - Agriculture
17
F - General American History
14
K - Law
13
T - Technology
12
R - Medicine
6
P - Language and Literature
5
E - United States History
4
N - Fine Arts
4
D - World History
3
J - Political Science
3
Z - Library Science
3
B - Philosophy, Psychology, Religion
2
Q - Science
2
G - Geography, Anthropology, Recreation
1