«Famous robots in film»Arkivert 5. desember 2014 hos Wayback Machine.. The Telegraph (lest 11. desember 2014): «Forbidden Planet (1956): Loosely based on Shakespeare's The Tempest, the film features Robby the Robot.»
wapo.st
Michael O'Sullivan (18. desember 2013). «Library of Congress announces 2013 National Film Registry selections». Washington Post: «This year’s inductees include the 1956 sci-fi adventure “Forbidden Planet,” notable for being the first film to feature a robot with personality» (Lest 11. desember 2014)
web.archive.org
«Famous robots in film»Arkivert 5. desember 2014 hos Wayback Machine.. The Telegraph (lest 11. desember 2014): «Forbidden Planet (1956): Loosely based on Shakespeare's The Tempest, the film features Robby the Robot.»