CLASSIFICATION
G - Geography, Anthropology, Recreation
25
H - Social Science
17
Q - Science
12
B - Philosophy, Psychology, Religion
8
L - Education
3
T - Technology
3
M - Music
2
N - Fine Arts
2
A - General Works
1
C - Historical Sciences
1
D - World History
1
F - General American History
1
J - Political Science
1
K - Law
1
R - Medicine
1