CLASSIFICATION
D - World History
130
G - Geography, Anthropology, Recreation
83
C - Historical Sciences
54
F - General American History
27
E - United States History
24
L - Education
14
A - General Works
10
B - Philosophy, Psychology, Religion
6
N - Fine Arts
6
V - Naval Science
6
P - Language and Literature
4
H - Social Science
2
S - Agriculture
2
M - Music
1