CLASSIFICATION
H - Social Science
600
L - Education
33
R - Medicine
31
S - Agriculture
20
T - Technology
16
E - United States History
11
G - Geography, Anthropology, Recreation
11
J - Political Science
8
Q - Science
5
F - General American History
4
C - Historical Sciences
3
K - Law
3
D - World History
1
M - Music
1
P - Language and Literature
1
Z - Library Science
1