Número de Clasificación
M - Music
155
B - Philosophy, Psychology, Religion
3
E - United States History
3
D - World History
2
G - Geography, Anthropology, Recreation
2
P - Language and Literature
2
R - Medicine
2
S - Agriculture
2
Z - Library Science
2
A - General Works
1
C - Historical Sciences
1
F - General American History
1
U - Military Science
1
V - Naval Science
1