CLASSIFICATION
H - Social Science
2,779
L - Education
40
T - Technology
31
K - Law
29
S - Agriculture
10
R - Medicine
8
Z - Library Science
6
G - Geography, Anthropology, Recreation
5
J - Political Science
4
C - Historical Sciences
3
A - General Works
2
D - World History
2
V - Naval Science
2
E - United States History
1
Q - Science
1