Número de Clasificación
M - Music
70
C - Historical Sciences
59
B - Philosophy, Psychology, Religion
3
G - Geography, Anthropology, Recreation
2
S - Agriculture
2
V - Naval Science
2
A - General Works
1
E - United States History
1
F - General American History
1
H - Social Science
1
J - Political Science
1
P - Language and Literature
1
T - Technology
1