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[[FILE:Marcel Duchamp Duchamp 01.jpg|border|right|thumb| Marcel Duchamp, February 1927 <ref>This image is available from the United States [https://en.wikipedia.org/wiki/Library_of_Congress Library of Congress'] [https://www.loc.gov/rr/print/ Prints and Photographs division] under the digital ID [http://www.loc.gov/pictures/item/2005685099/ cph.3b10889]</ref> ]]