Photographs by Robert Callaghan, RPT
Textual Sources:
Barron, James. Piano: The Making of a Steinway Concert Grand. New York, Henry Holt and Company, LLC, 2006.
Closson, Ernest. History of the Piano. New York, St. Martin's Press, 1944.
Fletcher, Neville H. and Thomas D Rossing. The Physics of Musical Instruments. New York,Springer, 1998.
Loesser, Arthur. Men, Women and Pianos, A Social History. New York, Dover Publications, Inc., 1954.