, Sotheby's: Black-and-white photo (scroll).
, Sotheby's: Color photos (front & back).
, Smithsonian Institution, Washington, D.C.: Black-and-white photos (front, back, side, scroll & f-hole - initialed by Emil Herrmann).
, Herbert K. Goodkind, Larchmont, New York, 1972: Black-and-white photos (front, back, side, scroll & f-hole).
Indicates that the owner is or was also a musician
Certificate: Machold Rare Violins, Bremen, Zurich, New York, Vienna, October 6, 2005. X-748.
Certificate: Rembert Wurlitzer, Inc., New York, November 28, 1967
Certificate: W. E. Hill & Sons, London, November 15, 1898
Letter: J. & A. Beare, London, November 13, 1967
Certificate: J. & A. Beare, London, December 15, 1967
, W. Henry, Arthur F. & Alfred E. Hill, William E. Hill & Sons, London, 1902.
Stradivarius, Sa vie, ses instuments, Henri Pigaillem, Zurfluh, Bourg-la-Reine, 2000.
, Smithsonian Institution, Washington, D.C..
, Herbert K. Goodkind, Larchmont, New York, 1972.
W. E. Hill Business Records (1850 - 1990).