Classification
K - Law
53
M - Music
24
H - Social Science
21
E - United States History
16
A - General Works
14
Z - Library Science
14
D - World History
7
J - Political Science
6
T - Technology
6
F - General American History
4
S - Agriculture
4
B - Philosophy, Psychology, Religion
3
C - Historical Sciences
3
P - Language and Literature
3
Q - Science
3
L - Education
2
U - Military Science
1
V - Naval Science
1