CLASSIFICATION
H - Social Science
117
G - Geography, Anthropology, Recreation
30
C - Historical Sciences
12
S - Agriculture
10
T - Technology
8
M - Music
6
Q - Science
6
A - General Works
3
J - Political Science
3
D - World History
2
F - General American History
2
L - Education
1
R - Medicine
1
V - Naval Science
1