Classification
F - General American History
818
M - Music
535
L - Education
415
P - Language and Literature
103
S - Agriculture
70
H - Social Science
37
D - World History
32
B - Philosophy, Psychology, Religion
19
A - General Works
8
E - United States History
5
Q - Science
3
Z - Library Science
3
J - Political Science
2
K - Law
2
U - Military Science
2
C - Historical Sciences
1
V - Naval Science
1