Classification
R - Medicine
86
H - Social Science
84
D - World History
74
P - Language and Literature
23
A - General Works
22
B - Philosophy, Psychology, Religion
19
F - General American History
16
L - Education
15
M - Music
13
Q - Science
8
J - Political Science
7
K - Law
6
S - Agriculture
6
Z - Library Science
4
T - Technology
3
U - Military Science
3
C - Historical Sciences
2
E - United States History
1
G - Geography, Anthropology, Recreation
1
V - Naval Science
1