CLASSIFICATION
L - Education
292
Q - Science
114
H - Social Science
44
P - Language and Literature
17
B - Philosophy, Psychology, Religion
12
D - World History
8
G - Geography, Anthropology, Recreation
6
R - Medicine
5
T - Technology
5
K - Law
3
S - Agriculture
3
C - Historical Sciences
2
A - General Works
1
J - Political Science
1