Classification
L - Education
71
E - United States History
10
K - Law
10
Z - Library Science
5
A - General Works
4
D - World History
3
B - Philosophy, Psychology, Religion
2
F - General American History
2
H - Social Science
2
J - Political Science
2
M - Music
2
Q - Science
2
C - Historical Sciences
1
P - Language and Literature
1
R - Medicine
1
S - Agriculture
1