Classification
B - Philosophy, Psychology, Religion
115
D - World History
97
S - Agriculture
93
C - Historical Sciences
71
A - General Works
56
H - Social Science
33
R - Medicine
27
F - General American History
26
M - Music
26
Q - Science
26
E - United States History
20
P - Language and Literature
18
T - Technology
16
J - Political Science
10
Z - Library Science
6
G - Geography, Anthropology, Recreation
3
K - Law
3
L - Education
3
N - Fine Arts
3