Classification
F - General American History
5,780
H - Social Science
165
M - Music
33
P - Language and Literature
11
J - Political Science
8
D - World History
6
B - Philosophy, Psychology, Religion
5
K - Law
5
R - Medicine
5
A - General Works
4
Z - Library Science
3
C - Historical Sciences
2
L - Education
2
G - Geography, Anthropology, Recreation
1
S - Agriculture
1
T - Technology
1
U - Military Science
1