Classification
F - General American History
22
B - Philosophy, Psychology, Religion
15
D - World History
10
P - Language and Literature
10
R - Medicine
10
M - Music
9
Q - Science
6
C - Historical Sciences
5
G - Geography, Anthropology, Recreation
5
L - Education
4
U - Military Science
4
H - Social Science
3
A - General Works
2
E - United States History
2
T - Technology
1
V - Naval Science
1
Z - Library Science
1