Número de Clasificación
A - General Works
215
B - Philosophy, Psychology, Religion
161
C - Historical Sciences
152
N - Fine Arts
53
M - Music
36
D - World History
34
S - Agriculture
9
E - United States History
6
Z - Library Science
6
K - Law
4
J - Political Science
3
L - Education
2
P - Language and Literature
2
R - Medicine
2
F - General American History
1
G - Geography, Anthropology, Recreation
1