Classification
D - World History
111
M - Music
66
P - Language and Literature
24
H - Social Science
21
B - Philosophy, Psychology, Religion
15
J - Political Science
15
L - Education
9
A - General Works
8
K - Law
3
F - General American History
2
U - Military Science
2
Z - Library Science
2
E - United States History
1
S - Agriculture
1