Classification
P - Language and Literature
77
H - Social Science
16
M - Music
16
R - Medicine
16
F - General American History
10
D - World History
9
A - General Works
8
S - Agriculture
7
K - Law
6
E - United States History
4
J - Political Science
2
B - Philosophy, Psychology, Religion
1
C - Historical Sciences
1
N - Fine Arts
1
U - Military Science
1
Z - Library Science
1