Classification
D - World History
839
J - Political Science
533
M - Music
465
K - Law
278
F - General American History
213
H - Social Science
171
A - General Works
135
E - United States History
58
N - Fine Arts
45
Z - Library Science
38
P - Language and Literature
36
U - Military Science
27
B - Philosophy, Psychology, Religion
17
L - Education
10
C - Historical Sciences
5
S - Agriculture
4
G - Geography, Anthropology, Recreation
2