CLASSIFICATION
G - Geography, Anthropology, Recreation
98
Q - Science
48
H - Social Science
13
B - Philosophy, Psychology, Religion
12
T - Technology
12
S - Agriculture
6
C - Historical Sciences
4
L - Education
3
F - General American History
2
P - Language and Literature
2
A - General Works
1
J - Political Science
1
R - Medicine
1
V - Naval Science
1