Classification
P - Language and Literature
193
K - Law
105
M - Music
29
B - Philosophy, Psychology, Religion
10
D - World History
5
J - Political Science
4
F - General American History
3
H - Social Science
3
C - Historical Sciences
2
L - Education
2
R - Medicine
2
A - General Works
1
E - United States History
1
Z - Library Science
1