CLASSIFICATION
L - Education
376
H - Social Science
225
E - United States History
7
S - Agriculture
6
G - Geography, Anthropology, Recreation
5
D - World History
4
A - General Works
3
Q - Science
3
F - General American History
2
J - Political Science
2
P - Language and Literature
2
C - Historical Sciences
1
M - Music
1
T - Technology
1