Duchamp's Étant Donnés

http://theartblog.org/2009/09/michael-taylor-tells-all-a-talk-on-etant-donnes/

http://theartblog.org/2009/08/the-conceptual-eroticism-of-marcel-duchamp-marcel-duchamp-etant-donnes-at-the-pma/

http://findarticles.com/p/articles/mi_m1248/is_4_89/ai_73236106/?tag=content;col1

http://raggit.blogspot.com/2009/11/maria-martins.html