Classification
Z - Library Science
165
J - Political Science
37
M - Music
34
K - Law
20
D - World History
18
F - General American History
11
B - Philosophy, Psychology, Religion
9
E - United States History
7
S - Agriculture
7
H - Social Science
4
C - Historical Sciences
3
P - Language and Literature
3
A - General Works
2
Q - Science
1