Classification
D - World History
149
J - Political Science
29
M - Music
17
B - Philosophy, Psychology, Religion
11
A - General Works
8
P - Language and Literature
8
R - Medicine
5
H - Social Science
4
K - Law
3
U - Military Science
2
Z - Library Science
2
C - Historical Sciences
1
E - United States History
1
L - Education
1