Classification
H - Social Science
457
M - Music
97
S - Agriculture
61
J - Political Science
28
D - World History
24
E - United States History
19
F - General American History
12
B - Philosophy, Psychology, Religion
6
C - Historical Sciences
5
A - General Works
4
Z - Library Science
4
K - Law
3
R - Medicine
3
P - Language and Literature
2
G - Geography, Anthropology, Recreation
1