Classification
K - Law
50
P - Language and Literature
34
H - Social Science
26
L - Education
15
R - Medicine
9
B - Philosophy, Psychology, Religion
5
Z - Library Science
5
M - Music
4
A - General Works
3
E - United States History
3
F - General American History
3
C - Historical Sciences
2
D - World History
2
S - Agriculture
2
J - Political Science
1