Classification
D - World History
19
H - Social Science
14
B - Philosophy, Psychology, Religion
13
P - Language and Literature
11
J - Political Science
5
A - General Works
3
K - Law
3
L - Education
3
T - Technology
3
F - General American History
2
G - Geography, Anthropology, Recreation
1
M - Music
1
N - Fine Arts
1
Q - Science
1
Z - Library Science
1