Sadie, Stanley
The new Grove dictionary of music and musicians
Frank, Paul
Altmann, Wilhelm
Kurzgefasstes Tonkunstler Lexikon : fur Musiker und Freunde der Musik
Begrundet von Paul Frank
Neu bearbeitet und erganzt von Wilhelm Altmann
Regensburg: Gustave Bosse, 1936, 730 p.
Fisher, William Arms
One hundred and fifty years of music publishing in the United States.
An historical sketch with special reference to the pioneer publisher
Oliver Ditson Company, Inc. : 1783-1933
Boston: Oliver Ditson Company, Inc., 1933