Classification
D - World History
403
F - General American History
127
M - Music
108
P - Language and Literature
106
B - Philosophy, Psychology, Religion
90
H - Social Science
69
R - Medicine
60
N - Fine Arts
28
A - General Works
26
C - Historical Sciences
23
Z - Library Science
22
G - Geography, Anthropology, Recreation
20
Q - Science
13
J - Political Science
12
T - Technology
10
K - Law
6
E - United States History
5
U - Military Science
3
S - Agriculture
2
L - Education
1