Classification
M - Music
249
D - World History
220
E - United States History
205
F - General American History
92
J - Political Science
83
K - Law
75
H - Social Science
11
T - Technology
10
C - Historical Sciences
9
Z - Library Science
7
A - General Works
5
B - Philosophy, Psychology, Religion
5
U - Military Science
5
S - Agriculture
4
R - Medicine
2
P - Language and Literature
1