Classification
H - Social Science
61
J - Political Science
28
M - Music
15
T - Technology
15
L - Education
13
Z - Library Science
8
S - Agriculture
6
D - World History
5
G - Geography, Anthropology, Recreation
5
P - Language and Literature
4
N - Fine Arts
3
F - General American History
2
K - Law
1
Q - Science
1
R - Medicine
1