Classification
P - Language and Literature
23
N - Fine Arts
12
D - World History
11
Q - Science
10
H - Social Science
9
B - Philosophy, Psychology, Religion
6
E - United States History
6
F - General American History
6
J - Political Science
5
L - Education
4
M - Music
4
C - Historical Sciences
2
Z - Library Science
2
A - General Works
1
G - Geography, Anthropology, Recreation
1
R - Medicine
1
S - Agriculture
1