Classification
P - Language and Literature
32
B - Philosophy, Psychology, Religion
15
Z - Library Science
7
D - World History
6
N - Fine Arts
5
A - General Works
4
M - Music
4
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
3
T - Technology
3
E - United States History
2
F - General American History
2
H - Social Science
1
L - Education
1