Classification
P - Language and Literature
166
R - Medicine
107
B - Philosophy, Psychology, Religion
80
F - General American History
61
H - Social Science
48
M - Music
40
D - World History
18
Q - Science
13
G - Geography, Anthropology, Recreation
10
N - Fine Arts
9
A - General Works
8
C - Historical Sciences
8
K - Law
6
T - Technology
6
E - United States History
5
U - Military Science
5
L - Education
4
S - Agriculture
4
J - Political Science
3
Z - Library Science
3