b c Hooper, Tobe. (2008). Tobe Hooper Interview. [DVD]. Dark Sky Films.
^ a b c Hooper, Tobe (Director). (2008). The Texas Chain Saw Massacre [DVD commentary]. [DVD]. Dark Sky Films.
^ Summers, Chris (2003). “BBC Crime Case Closed – Ed Gein”. BBC. Archived from the original on February 4, 2004. http://web.archive.org/web/20040204231159/http://www.bbc.co.uk/crime/caseclosed/gein.shtml. Retrieved 2009-10-16.
^ Bell, Rachael; Marilyn Bardsley. “Ed Gein: The Inspiration for Buffalo Bill and Psycho”. Crime Library. http://www.trutv.com/library/crime/serial_killers/notorious/gein/bill_1.html. Retrieved 2008-11-23.
^ a b Bowen 2004, p. 17
^ a b c Gregory, David (Director and Writer). (2000). Texas Chainsaw Massacre: The Shocking Truth. [Documentary]. Blue Underground. http://www.imdb.com/title/tt0286214/.
^ a b c d e f g Farley, Ellen;