Classification
R - Medicine
29
A - General Works
24
B - Philosophy, Psychology, Religion
19
Q - Science
16
D - World History
12
H - Social Science
11
N - Fine Arts
5
E - United States History
4
F - General American History
4
T - Technology
4
M - Music
3
P - Language and Literature
3
G - Geography, Anthropology, Recreation
2
J - Political Science
1
L - Education
1
S - Agriculture
1