CLASSIFICATION
H - Social Science
3,092
T - Technology
433
Q - Science
420
L - Education
171
G - Geography, Anthropology, Recreation
74
B - Philosophy, Psychology, Religion
44
J - Political Science
34
R - Medicine
32
S - Agriculture
23
A - General Works
11
K - Law
3
P - Language and Literature
2
U - Military Science
2
F - General American History
1
N - Fine Arts
1