Tomkins: Duchamp: A Biography.
^ Marcel Duchamp, from Session on the Creative Act, Convention of the American Federation of Arts, Houston, Texas, April 1957.
^ Tomkins: Duchamp: A Biography, pages 181-186.
^ “Duchamp’s urinal tops art survey”, BBC news 1 December 2004.
^ Marting, Marco De (2003). “Mona Lisa: Who is Hidden Behind the Woman with the Mustache?”. Art Science Research Laboratory. http://www.artscienceresearchlab.org/articles/panorama.htm. Retrieved 27 April 2008.
^ Tomkins: Duchamp: A Biography, pages 227-228.
^ Tomkins: Duchamp: A Biography, pages 254-255.
^ Tomkins: Duchamp: A Biography, pages 301-303.
^ Tomkins: Duchamp: A Biography, pages 294.
^ “Becoming Duchamp” by Sylvre Lotringer
^ Brady, Frank: Bobby Fischer: profile of a prodigy,