CLASSIFICATION
D - World History
36
N - Fine Arts
24
C - Historical Sciences
17
H - Social Science
13
F - General American History
8
G - Geography, Anthropology, Recreation
4
J - Political Science
3
K - Law
3
A - General Works
2
L - Education
2
P - Language and Literature
2
E - United States History
1
M - Music
1
Q - Science
1