Forum Gallery Inc., New York.
Acquired from the above by the late owner, 1979.
PROPERTY FROM A PRIVATE ESTATE
A. Jouffroy, "Duchamp prince de l'insolence," Arts Loisirs, June 1967, no. 87, pp. 20-21 (another cast illustrated, p. 21).
A. Schwarz, The Complete Works of Marcel Duchamp, New York, 1970, no. 394 (another cast illustrated, p. 563).
J. Hobhouse, "A private joke between myself and myself," ARTnews, April 1977, vol. 76, no. 4, p. 41 (original wax assemblage illustrated).
A. Schwarz, The Complete Works of Marcel Duchamp, New York, 1997, vol. II, p. 867, no. 638 (another cast illustrated).