Museum of Modern Art (New York, N.Y.)

Marcel Duchamp with shaving lather for Monte Carlo Bond. Photo by Man Ray. Copy print received from the Museum of Modern Art.

Copy print of "Marcel Duchamp with Turkish Coin Necklace on Forehead, Hollywood." Photo by Man Ray. Copy print received from the Museum of Modern Art. Original is in the permanent collection of the Philadelphia Museum of Art.

Marcel Duchamp working on "Eau & gaz à tous les étages." Photo by Richard Lusby. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp working on "Eau & gaz à tous les étages." Photo by Richard Lusby. Copy print received from the Museum of Modern Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp's mannequin, "Rrose Sélavy" at the Exposition Internationale du Surrealisme, Galerie Beaux Arts. Copy print received from the Museum of Modern Art.

Marcel Duchamp's studio at 33 West 67th Street, New York. Copy print received from the Museum of Modern Art.

Munich 1912 portrait of Marcel Duchamp overlaid with "Glider Containing a Water Mill in Neighboring Metals." Photo by Man Ray. Copy print received from the Museum of Modern Art.

Peggy Guggenheim looking at Duchamp's valise at the Art of this Century Gallery. Copy print received from the Museum of Modern Art.

Man Ray. "De le Champs Délicieux," 1927. Copy print. Photo received from Museum of Modern Art.

Duchamp, Marcel. "3 Standard Stoppages," 1913-1914.