- ^ Hine, Darlene Clark, ed. (1993). Black women in America : An Historical Encyclopedia 1 (4. pr. ed.). Brooklyn, N.Y.: Carlson Pub. p. 208. ISBN 0926019619. Retrieved 20 October 2014.
- ^ Littleton, Therese. "Octavia E. Butler Plants an Earthseed". Amazon.com. Retrieved 2006-12-14.
- ^ a b Walton, Jo (February 5, 2009). ""My Star Trek novel": Octavia Butler's Survivor". Tor.com. Retrieved 20 October 2014.
- ^ Hampton, Gregory Jerome. Changing Bodies in the Fiction of Octavia Butler: Slaves, Aliens, and Vampires, Lexington Books, 2010, 52.
- ^ "Galaxy Bookshelf", Galaxy Science Fiction, April 1977, pp.136-37
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