Classification
H - Social Science
360
P - Language and Literature
259
M - Music
65
D - World History
52
F - General American History
47
B - Philosophy, Psychology, Religion
25
A - General Works
10
C - Historical Sciences
7
E - United States History
6
J - Political Science
6
T - Technology
5
G - Geography, Anthropology, Recreation
4
L - Education
4
S - Agriculture
3
K - Law
2
U - Military Science
2
Q - Science
1