Classification
R - Medicine
127
B - Philosophy, Psychology, Religion
75
A - General Works
24
Q - Science
21
C - Historical Sciences
14
P - Language and Literature
14
G - Geography, Anthropology, Recreation
13
M - Music
13
F - General American History
9
H - Social Science
8
D - World History
6
L - Education
2
E - United States History
1
S - Agriculture
1
T - Technology
1