Classification
F - General American History
489
Q - Science
391
P - Language and Literature
39
R - Medicine
13
Z - Library Science
11
S - Agriculture
9
L - Education
6
A - General Works
4
H - Social Science
3
T - Technology
3
C - Historical Sciences
2
D - World History
2
E - United States History
2
G - Geography, Anthropology, Recreation
2
M - Music
2
B - Philosophy, Psychology, Religion
1
J - Political Science
1
K - Law
1
N - Fine Arts
1