Classification
P - Language and Literature
60
D - World History
24
B - Philosophy, Psychology, Religion
16
M - Music
15
K - Law
14
Q - Science
14
H - Social Science
9
A - General Works
7
F - General American History
4
J - Political Science
4
N - Fine Arts
4
T - Technology
2
C - Historical Sciences
1
G - Geography, Anthropology, Recreation
1
L - Education
1
Z - Library Science
1