Classification
H - Social Science
256
M - Music
222
S - Agriculture
62
P - Language and Literature
40
D - World History
9
R - Medicine
9
F - General American History
6
L - Education
5
B - Philosophy, Psychology, Religion
4
T - Technology
3
A - General Works
2
J - Political Science
2
E - United States History
1
G - Geography, Anthropology, Recreation
1