Classification
H - Social Science
30
G - Geography, Anthropology, Recreation
14
P - Language and Literature
13
J - Political Science
12
L - Education
12
D - World History
11
M - Music
8
T - Technology
6
C - Historical Sciences
5
E - United States History
5
F - General American History
4
Z - Library Science
4
A - General Works
3
K - Law
2
N - Fine Arts
1
Q - Science
1