Classification
S - Agriculture
262
M - Music
61
H - Social Science
57
F - General American History
23
J - Political Science
7
B - Philosophy, Psychology, Religion
5
L - Education
5
D - World History
3
U - Military Science
3
E - United States History
2
Q - Science
2
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
N - Fine Arts
1
P - Language and Literature
1
R - Medicine
1
T - Technology
1