Classification
J - Political Science
125
M - Music
34
P - Language and Literature
33
B - Philosophy, Psychology, Religion
30
A - General Works
27
H - Social Science
25
D - World History
23
R - Medicine
20
K - Law
16
F - General American History
14
E - United States History
8
T - Technology
8
C - Historical Sciences
3
L - Education
1
Q - Science
1
S - Agriculture
1