Classification
H - Social Science
911
M - Music
201
S - Agriculture
134
D - World History
75
E - United States History
72
F - General American History
66
B - Philosophy, Psychology, Religion
34
J - Political Science
30
K - Law
23
C - Historical Sciences
18
Z - Library Science
12
A - General Works
6
G - Geography, Anthropology, Recreation
5
T - Technology
4
P - Language and Literature
3
R - Medicine
2
L - Education
1
N - Fine Arts
1
U - Military Science
1