Classification
P - Language and Literature
61
M - Music
22
B - Philosophy, Psychology, Religion
21
N - Fine Arts
20
F - General American History
10
Q - Science
10
D - World History
8
K - Law
8
H - Social Science
7
A - General Works
6
J - Political Science
4
R - Medicine
4
T - Technology
3
G - Geography, Anthropology, Recreation
2
C - Historical Sciences
1