Classification
E - United States History
49
H - Social Science
28
D - World History
20
P - Language and Literature
15
J - Political Science
10
B - Philosophy, Psychology, Religion
6
Z - Library Science
5
K - Law
4
U - Military Science
4
G - Geography, Anthropology, Recreation
3
M - Music
3
Q - Science
3
A - General Works
1
L - Education
1
N - Fine Arts
1
R - Medicine
1
S - Agriculture
1
T - Technology
1