Box 17

Marcel Duchamp with the "Artists in Exile" group. Copy print made by the Philadelphia Museum of Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Installation view of "Lazy Hardware," Gotham Book Mart. New York, New York. Photo by Maya Deren. Copy print made by the Philadelphia Museum of Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Installation view of "Lazy Hardware," Gotham Book Mart with Marcel Duchamp and André Breton's reflection in the window. New York, New York. Photo by Maya Deren. Copy print made by the Philadelphia Museum of Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Chess tournament group, including Marcel Duchamp. Nice, France. 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 at the age of 85 for View magazine. Photo by Percy Rainford. Copy print received from the Museum of Modern Art. Several other versions are in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Sixteen Miles of String installation by Marcel Duchamp at "First Papers of Surrealism" exhibition, Coordinating Council of French Relief Societies, Inc. (New York). Photo by John D. Schiff. Copy print made by the Philadelphia Museum of Art. Another version is in the Alexina and Marcel Duchamp Papers at the Philadelphia Museum of Art.

Marcel Duchamp with Sixteen Miles of String installation. Photo by Arnold Newman. Copy print made by the Philadelphia Museum of Art. Original is in the permanent collection of the Philadelphia Museum of Art.

Marcel Duchamp with group of friends, including Max Ernst, André Breton, Arshile Gorky, Nicolas Calas, Matta, Frederick Kiesler, and others. New York, New York. 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.

Katherine Dreier in Marcel Duchamp designed lift. Copy print.

Marcel Duchamp, Sidney Janis, and Alfred Barr judging Bel Ami competition. New York, New York. Photo by William Leftwick. Copy print received from the Museum of Modern Art.