Classification
K - Law
87
F - General American History
83
E - United States History
61
Z - Library Science
20
A - General Works
6
C - Historical Sciences
5
M - Music
5
T - Technology
4
R - Medicine
3
B - Philosophy, Psychology, Religion
1
D - World History
1
G - Geography, Anthropology, Recreation
1
J - Political Science
1
P - Language and Literature
1