Classification
H - Social Science
129
P - Language and Literature
125
K - Law
41
M - Music
23
B - Philosophy, Psychology, Religion
13
R - Medicine
11
C - Historical Sciences
6
A - General Works
5
E - United States History
5
F - General American History
5
D - World History
3
N - Fine Arts
2
T - Technology
2
L - Education
1
S - Agriculture
1