Marcel Duchamp and others at Western Round Table on Modern Art. Seated left to right: Gregory Bateson, Marcel Duchamp, George Boas, Frank Lloyd Wright, Andrew Ritchie, Darius Milhaud. Standing left to right: Mark Tobey, Robert Goldwater, Douglas MacAgy [?], Kenneth Burke, Alfred Frankenstein. University of California, San Francisco. School of Fine Arts. 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.