Classification
F - General American History
72
M - Music
68
H - Social Science
48
P - Language and Literature
21
K - Law
18
A - General Works
16
B - Philosophy, Psychology, Religion
9
J - Political Science
8
D - World History
5
N - Fine Arts
4
R - Medicine
4
S - Agriculture
4
C - Historical Sciences
3
G - Geography, Anthropology, Recreation
3
L - Education
3
Q - Science
3
E - United States History
2
U - Military Science
2
T - Technology
1