Classification
P - Language and Literature
148
E - United States History
87
Q - Science
77
A - General Works
46
T - Technology
44
H - Social Science
34
D - World History
27
J - Political Science
20
C - Historical Sciences
18
L - Education
15
B - Philosophy, Psychology, Religion
13
F - General American History
12
M - Music
6
Z - Library Science
6
S - Agriculture
5
R - Medicine
3
K - Law
2
N - Fine Arts
1