Classification
B - Philosophy, Psychology, Religion
45
D - World History
41
M - Music
41
K - Law
34
P - Language and Literature
28
A - General Works
22
C - Historical Sciences
22
J - Political Science
22
Q - Science
15
F - General American History
10
G - Geography, Anthropology, Recreation
7
R - Medicine
6
H - Social Science
5
N - Fine Arts
5
S - Agriculture
2
Z - Library Science
2
E - United States History
1
L - Education
1