Classification
H - Social Science
19
P - Language and Literature
12
F - General American History
10
Q - Science
8
D - World History
5
G - Geography, Anthropology, Recreation
5
M - Music
5
R - Medicine
5
A - General Works
4
B - Philosophy, Psychology, Religion
4
E - United States History
3
J - Political Science
2
N - Fine Arts
2
K - Law
1
L - Education
1
Z - Library Science
1