Classification
H - Social Science
32
F - General American History
26
M - Music
19
B - Philosophy, Psychology, Religion
10
C - Historical Sciences
9
K - Law
9
E - United States History
7
J - Political Science
3
L - Education
3
N - Fine Arts
3
S - Agriculture
3
A - General Works
2
P - Language and Literature
2
R - Medicine
2
Z - Library Science
2