CLASSIFICATION
H - Social Science
29
Q - Science
22
B - Philosophy, Psychology, Religion
20
G - Geography, Anthropology, Recreation
17
N - Fine Arts
10
P - Language and Literature
9
J - Political Science
8
A - General Works
3
T - Technology
3
K - Law
2
R - Medicine
2
C - Historical Sciences
1
D - World History
1
L - Education
1