Classification
H - Social Science
256
P - Language and Literature
70
F - General American History
41
S - Agriculture
40
M - Music
34
E - United States History
28
C - Historical Sciences
19
B - Philosophy, Psychology, Religion
17
D - World History
14
R - Medicine
13
K - Law
9
T - Technology
9
A - General Works
6
N - Fine Arts
6
G - Geography, Anthropology, Recreation
3
J - Political Science
3
L - Education
1