Box 21

Marcel Duchamp in profile. Photo by Man Ray. Copy print. Another version is in the Alexina and Marcel Duchamp papers.

Duchamp, Marcel. "Opposition and Sister Squares are Reconciled by M. Duchamp & V. Halberstadt (L'Opposition et les cases conjuguées sont réconciliées par M. Duchamp & V. Halberstadt)," unique leather bound copy. Photo by Nathan Rabin.

Duchamp, Marcel. Photograph of cover for "Minotaure," Volume II, Number 6. Reproduces the rotorelief "Corolles," 1935, on the background of Man Ray's photograph of "Dust Breeding," 1920. Photo by Bacci Attilio.

Duchamp, Marcel. Photograph of first trial proof for cover of "Minotaure," Volume II, Number 6. Reproduces the rotorelief "Corolles," 1935, on the background of Man Ray's photograph of "Dust Breeding," 1920. Copy print received from Galleria Schwarz.

Duchamp, Marcel. Photograph of cover for "La Septième face du de: Poèmes-Découpages" by Georges Hugnet, Paris, Editions Jeanne Bucher, 1936 May.

Duchamp, Marcel. Photograph of trial proof for cover of "La Septième face du de: Poèmes-Découpages" by Georges Hugnet, Paris, Editions Jeanne Bucher, 1936 May. Photo by Bacci Attilio.

Duchamp, Marcel. Photograph of cover for "Cahiers d'Art," 1936. Features reproduction of "Fluttering Hearts." This issue includes article "Coeurs Volants" by Gabrielle Buffet, an important early essay on Duchamp's optical works.

Miró, Joan. "Nu descedant un escalier," 1924.

Duchamp, Marcel. Photograph of trial proof for cover of "Cahiers d'Art," 1936. Photo by Bacci Attilio. Copy print received from Galleria Schwarz.

Duchamp, Marcel. Photograph of cover for "Transition," No. 26, 1937. Features reproduction of "Comb."