CLASSIFICATION
H - Social Science
724
T - Technology
159
L - Education
120
K - Law
58
G - Geography, Anthropology, Recreation
9
D - World History
7
S - Agriculture
6
Q - Science
5
V - Naval Science
5
A - General Works
4
R - Medicine
4
E - United States History
3
C - Historical Sciences
2
J - Political Science
1
M - Music
1
U - Military Science
1