CLASSIFICATION
H - Social Science
852
R - Medicine
38
L - Education
25
J - Political Science
12
D - World History
8
S - Agriculture
7
Q - Science
6
G - Geography, Anthropology, Recreation
5
T - Technology
4
Z - Library Science
3
K - Law
2
A - General Works
1
C - Historical Sciences
1
P - Language and Literature
1
U - Military Science
1