CLASSIFICATION
G - Geography, Anthropology, Recreation
1,142
L - Education
633
T - Technology
88
H - Social Science
66
K - Law
18
D - World History
16
C - Historical Sciences
9
P - Language and Literature
7
S - Agriculture
7
A - General Works
3
B - Philosophy, Psychology, Religion
3
F - General American History
2
Q - Science
2
E - United States History
1
J - Political Science
1
N - Fine Arts
1
R - Medicine
1
V - Naval Science
1