CLASSIFICATION
G - Geography, Anthropology, Recreation
165
H - Social Science
117
Q - Science
36
L - Education
34
K - Law
20
T - Technology
10
A - General Works
5
R - Medicine
4
D - World History
3
M - Music
3
V - Naval Science
3
S - Agriculture
2
B - Philosophy, Psychology, Religion
1
C - Historical Sciences
1
F - General American History
1
J - Political Science
1
N - Fine Arts
1
P - Language and Literature
1