DDC, Dewey decimal classification proposed revision of 780 music based on Dewey decimal classification and relative index
Dewey, Melvil,1851-1931.
Dewey, Melvil,1851-1931.Decimal classification and relativ index.
Sweeney, Russell.
Clews, John.
Matthews, Winton E.
Albany, N.Y. Forest Press
1980
Classification
Classification, Dewey decimal.