Classification
E - United States History
68
A - General Works
16
M - Music
14
B - Philosophy, Psychology, Religion
10
D - World History
10
C - Historical Sciences
5
H - Social Science
5
P - Language and Literature
5
F - General American History
3
J - Political Science
3
R - Medicine
2
T - Technology
2
Z - Library Science
2
K - Law
1
N - Fine Arts
1
U - Military Science
1