Science fiction
E.T. the Extra-Terrestrial. Directed by Steven Spielberg, Amblin Entertainment, 1982.
The Matrix. Directed by The Wachowskis. Warner Bros./Village Roadshow Pictures/Groucho II Film Partnership/Silver Pictures, 1999.
Adams, Douglas. "Fit the Fourth." The Hitchhiker's Guide to the Galaxy. Primary Phase. BBC Radio 4, London, England, UK, 29 Mar. 1978.
Adams, Douglas. The Hitchhiker's Guide to the Galaxy. Pan Books, 1979, ch. 31.
Star Wars: Episode VI - Return of the Jedi. Directed by Richard Marquand, Lucasfilm Ltd., 1983.
Star Wars: Episode V - The Empire Strikes Back. Directed by Irvin Kershner, Lucasfilm Ltd., 1980.
"A Thing About Machines." The Twilight Zone, directed by David Orrick McDearmon, written by Rod Serling, season 2, episode 4, Cayuga Productions/CBS Productions, 1960.
"The Monsters Are Due on Maple Street." The Twilight Zone, written by Rod Serling, directed by Ron Winston, season 1, episode 22, Cayuga Productions and CBS Television Network, 1960.
Star Wars: Episode IV - A New Hope. Directed by George Lucas, Lucasfilm Ltd., 1977.
"The Monsters Are Due on Maple Street." The Twilight Zone, written by Rod Serling, directed by Ron Winston, season 1, episode 22, Cayuga Productions and CBS Television Network, 1960.
Heinlein, Robert A. "The Tale of the Twins Who Weren't." Time Enough for Love. G. P. Putnam's Sons, 1973.
Herbert, Frank. Dune. Chilton Books, 1965. Originally published in Analog Magazine, Dec. 1963 - Feb. 1964.
Heinlein, Robert A. "Intermission." Time Enough for Love. G. P. Putnam's Sons, 1973.