Classification
H - Social Science
251
P - Language and Literature
159
R - Medicine
79
M - Music
49
B - Philosophy, Psychology, Religion
33
J - Political Science
21
C - Historical Sciences
20
D - World History
18
F - General American History
18
L - Education
18
A - General Works
7
K - Law
7
Q - Science
7
S - Agriculture
7
G - Geography, Anthropology, Recreation
5
T - Technology
5
E - United States History
1
U - Military Science
1