Classification
D - World History
162
M - Music
148
J - Political Science
125
P - Language and Literature
65
K - Law
47
F - General American History
34
H - Social Science
26
A - General Works
18
N - Fine Arts
13
B - Philosophy, Psychology, Religion
11
R - Medicine
7
S - Agriculture
5
C - Historical Sciences
4
E - United States History
4
U - Military Science
3
L - Education
2
Z - Library Science
2
Q - Science
1