Classification
H - Social Science
155
R - Medicine
55
B - Philosophy, Psychology, Religion
36
P - Language and Literature
27
M - Music
24
S - Agriculture
18
A - General Works
14
F - General American History
10
C - Historical Sciences
8
D - World History
7
E - United States History
3
J - Political Science
2
K - Law
2
N - Fine Arts
1