Classification
D - World History
35
B - Philosophy, Psychology, Religion
14
H - Social Science
7
N - Fine Arts
5
C - Historical Sciences
4
E - United States History
3
J - Political Science
3
P - Language and Literature
3
M - Music
2
R - Medicine
2
A - General Works
1
G - Geography, Anthropology, Recreation
1
K - Law
1
L - Education
1
V - Naval Science
1