Classification
D - World History
142
E - United States History
102
J - Political Science
76
M - Music
74
K - Law
46
F - General American History
25
Z - Library Science
13
H - Social Science
9
A - General Works
6
C - Historical Sciences
6
P - Language and Literature
5
B - Philosophy, Psychology, Religion
4
R - Medicine
2
Q - Science
1
V - Naval Science
1