Research on Andy Warhol

http://www.warholstars.org/filmch/empire.html

http://www.guardian.co.uk/film/2006/sep/11/art.september11

http://movies.yahoo.com/news/why-andy-warhol-empire-genius-232800035.html

http://www.warholstars.org/filmch/sleep.html

http://nymag.com/nymetro/arts/art/10422/