Classification
P - Language and Literature
157
D - World History
139
M - Music
80
H - Social Science
47
F - General American History
45
A - General Works
14
K - Law
14
E - United States History
13
Q - Science
13
J - Political Science
10
R - Medicine
10
B - Philosophy, Psychology, Religion
6
N - Fine Arts
6
G - Geography, Anthropology, Recreation
5
S - Agriculture
5
C - Historical Sciences
4
T - Technology
3
L - Education
2
Z - Library Science
2