Número de Clasificación
M - Music
34
E - United States History
26
B - Philosophy, Psychology, Religion
19
A - General Works
13
C - Historical Sciences
8
S - Agriculture
5
G - Geography, Anthropology, Recreation
3
P - Language and Literature
3
Z - Library Science
3
R - Medicine
2
D - World History
1
F - General American History
1
J - Political Science
1
T - Technology
1