Classification
H - Social Science
187
M - Music
54
F - General American History
37
D - World History
7
R - Medicine
6
E - United States History
5
Z - Library Science
4
B - Philosophy, Psychology, Religion
3
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
2
T - Technology
2
A - General Works
1
P - Language and Literature
1
S - Agriculture
1