CLASSIFICATION
H - Social Science
2,688
L - Education
451
T - Technology
411
Q - Science
315
G - Geography, Anthropology, Recreation
65
B - Philosophy, Psychology, Religion
32
J - Political Science
25
R - Medicine
23
S - Agriculture
20
A - General Works
11
P - Language and Literature
2
U - Military Science
2
C - Historical Sciences
1
F - General American History
1
K - Law
1
N - Fine Arts
1