CLASSIFICATION
D - World History
22
P - Language and Literature
19
H - Social Science
15
E - United States History
11
N - Fine Arts
9
F - General American History
7
R - Medicine
7
C - Historical Sciences
5
Q - Science
3
A - General Works
2
B - Philosophy, Psychology, Religion
2
G - Geography, Anthropology, Recreation
2
J - Political Science
2
U - Military Science
2
Z - Library Science
1