Classification
K - Law
43
P - Language and Literature
31
J - Political Science
27
M - Music
14
B - Philosophy, Psychology, Religion
5
F - General American History
4
A - General Works
3
C - Historical Sciences
3
Z - Library Science
3
D - World History
2
R - Medicine
2
S - Agriculture
2
E - United States History
1
L - Education
1