Classification
H - Social Science
996
M - Music
960
S - Agriculture
226
L - Education
106
J - Political Science
69
T - Technology
63
Q - Science
42
B - Philosophy, Psychology, Religion
41
F - General American History
39
D - World History
32
Z - Library Science
28
P - Language and Literature
25
K - Law
23
G - Geography, Anthropology, Recreation
21
R - Medicine
8
N - Fine Arts
6
A - General Works
5
U - Military Science
5
V - Naval Science
3
C - Historical Sciences
1
E - United States History
1