Classification
H - Social Science
488
M - Music
212
P - Language and Literature
67
S - Agriculture
27
N - Fine Arts
24
R - Medicine
19
B - Philosophy, Psychology, Religion
15
K - Law
12
F - General American History
9
E - United States History
7
A - General Works
6
C - Historical Sciences
5
D - World History
5
T - Technology
5
J - Political Science
3
G - Geography, Anthropology, Recreation
2
L - Education
2
Q - Science
2