Classification
K - Law
193
P - Language and Literature
77
H - Social Science
31
M - Music
24
F - General American History
12
R - Medicine
6
B - Philosophy, Psychology, Religion
5
E - United States History
5
L - Education
4
T - Technology
4
D - World History
3
S - Agriculture
3
Z - Library Science
3
A - General Works
2
C - Historical Sciences
2
J - Political Science
2