CLASSIFICATION
L - Education
450
D - World History
19
H - Social Science
17
C - Historical Sciences
8
F - General American History
4
P - Language and Literature
4
E - United States History
3
A - General Works
2
B - Philosophy, Psychology, Religion
2
Q - Science
2
T - Technology
2
J - Political Science
1
M - Music
1
Z - Library Science
1