Classification
H - Social Science
69
M - Music
24
J - Political Science
18
T - Technology
15
P - Language and Literature
10
Z - Library Science
9
L - Education
8
D - World History
6
N - Fine Arts
6
E - United States History
5
R - Medicine
4
C - Historical Sciences
3
Q - Science
3
B - Philosophy, Psychology, Religion
2
F - General American History
2
A - General Works
1
G - Geography, Anthropology, Recreation
1
S - Agriculture
1