Classification
R - Medicine
380
B - Philosophy, Psychology, Religion
108
D - World History
90
A - General Works
49
H - Social Science
34
C - Historical Sciences
14
Q - Science
12
F - General American History
8
S - Agriculture
8
E - United States History
6
L - Education
6
M - Music
5
T - Technology
5
J - Political Science
4
P - Language and Literature
4
Z - Library Science
3
G - Geography, Anthropology, Recreation
2