File:Jean Crotti, 1915, Portrait of Marcel Duchamp (Sculpture made to measure), MoMA.jpg

Published 1916

 * Current opinion, Vol. LX, No. 6, June 1916, p. 431, Literary digest. New York: Current Literature Pub. Co., 1913-1925
 * A later graphite and charcoal on off-white wove paper drawing of this sculpture can be found at the Philadelphia Museum of Art: Portrait of Marcel Duchamp, early 1950s