Classification
K - Law
29
E - United States History
24
H - Social Science
15
F - General American History
13
Z - Library Science
9
P - Language and Literature
7
R - Medicine
6
A - General Works
5
G - Geography, Anthropology, Recreation
4
J - Political Science
4
Q - Science
3
B - Philosophy, Psychology, Religion
2
C - Historical Sciences
1