Classification
M - Music
340
D - World History
117
E - United States History
69
K - Law
51
J - Political Science
39
F - General American History
30
P - Language and Literature
27
T - Technology
13
B - Philosophy, Psychology, Religion
8
A - General Works
7
R - Medicine
7
H - Social Science
5
C - Historical Sciences
3
Z - Library Science
2
S - Agriculture
1
V - Naval Science
1