CLASSIFICATION
H - Social Science
1,271
L - Education
54
J - Political Science
12
D - World History
11
K - Law
11
A - General Works
5
E - United States History
3
C - Historical Sciences
2
T - Technology
2
F - General American History
1
M - Music
1
P - Language and Literature
1
S - Agriculture
1
U - Military Science
1