Classification
B - Philosophy, Psychology, Religion
173
C - Historical Sciences
155
D - World History
117
A - General Works
73
R - Medicine
41
Q - Science
32
E - United States History
30
H - Social Science
21
M - Music
16
S - Agriculture
10
Z - Library Science
10
L - Education
9
T - Technology
6
F - General American History
5
J - Political Science
3
G - Geography, Anthropology, Recreation
2
K - Law
1
U - Military Science
1