Classification
R - Medicine
212
H - Social Science
72
P - Language and Literature
44
B - Philosophy, Psychology, Religion
36
T - Technology
27
A - General Works
17
M - Music
15
Z - Library Science
12
F - General American History
8
Q - Science
7
E - United States History
4
C - Historical Sciences
3
L - Education
3
N - Fine Arts
3
S - Agriculture
3
D - World History
2
K - Law
2
G - Geography, Anthropology, Recreation
1
J - Political Science
1
U - Military Science
1
V - Naval Science
1