Classification
D - World History
369
M - Music
206
F - General American History
181
B - Philosophy, Psychology, Religion
177
P - Language and Literature
153
A - General Works
86
C - Historical Sciences
49
H - Social Science
29
E - United States History
24
L - Education
13
K - Law
9
R - Medicine
7
G - Geography, Anthropology, Recreation
5
Z - Library Science
4
N - Fine Arts
3
J - Political Science
1
S - Agriculture
1