Classification
D - World History
29
B - Philosophy, Psychology, Religion
20
P - Language and Literature
16
H - Social Science
11
Q - Science
9
C - Historical Sciences
8
G - Geography, Anthropology, Recreation
8
A - General Works
6
M - Music
6
N - Fine Arts
5
S - Agriculture
4
R - Medicine
3
E - United States History
2
F - General American History
2
K - Law
2
J - Political Science
1
L - Education
1
U - Military Science
1