Classification
D - World History
716
J - Political Science
688
M - Music
472
K - Law
297
F - General American History
186
H - Social Science
172
A - General Works
108
E - United States History
64
N - Fine Arts
36
P - Language and Literature
29
U - Military Science
27
S - Agriculture
21
L - Education
12
B - Philosophy, Psychology, Religion
11
Z - Library Science
4
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
1