CLASSIFICATION
P - Language and Literature
15
A - General Works
11
Q - Science
10
G - Geography, Anthropology, Recreation
9
E - United States History
8
R - Medicine
8
T - Technology
6
D - World History
5
B - Philosophy, Psychology, Religion
3
C - Historical Sciences
3
S - Agriculture
2
F - General American History
1
K - Law
1