Classification
B - Philosophy, Psychology, Religion
234
D - World History
73
M - Music
36
P - Language and Literature
30
F - General American History
22
H - Social Science
17
Z - Library Science
7
A - General Works
5
L - Education
5
K - Law
4
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
3
N - Fine Arts
3
J - Political Science
2
R - Medicine
1