Classification
D - World History
481
F - General American History
274
H - Social Science
181
P - Language and Literature
176
B - Philosophy, Psychology, Religion
97
A - General Works
93
N - Fine Arts
71
M - Music
70
R - Medicine
70
J - Political Science
48
K - Law
46
C - Historical Sciences
45
G - Geography, Anthropology, Recreation
31
S - Agriculture
23
Q - Science
22
Z - Library Science
22
L - Education
17
T - Technology
14
E - United States History
13
U - Military Science
3