Changes

[[FILE:Marcel Duchamp 01.jpg|border|right|thumb|220px| 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> ]]