Art in America. "Duchamp and Leonardo: L.H.O.O.Q.-alikes" by Theodore Reff and "Duchamp's Acephalic Cymbolism" by Charles F. Stuckey.

Installation view of "Lazy Hardware," Gotham Book Mart with André Breton's reflection in the window. New York, New York. Photo by Maya Deren.

Installation view of "Lazy Hardware," Gotham Book Mart. New York, New York. Photo by Maya Deren.

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.

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.