Classification
R - Medicine
93
D - World History
66
P - Language and Literature
48
B - Philosophy, Psychology, Religion
24
H - Social Science
20
G - Geography, Anthropology, Recreation
10
J - Political Science
7
C - Historical Sciences
2
N - Fine Arts
2
A - General Works
1
F - General American History
1
K - Law
1
L - Education
1
Z - Library Science
1