Silverberg, Robert
Asimov's Science Fiction 34(2): 6-8. February 2010.
Purser-Hallard, Philip
D. Phil. Dissertation, Christ Church (University of Oxford), 2002. x, 274 p. (DAI-C 70(31).) 
George Bernard Shaw, David Lindsay, Olaf Stapledon, CS Lewis, Arthur C Clarke, James Blish, Isaac Asimov, Brian Aldiss, Philip K Dick, Bruce Sterling, William Gibson and Dan Simmons
Bossay, Lyssa D.
Ph. D. Dissertation, University of Texas Austin, 1979. 151 p. (DAI-A 40(11): 5857. May 1980.)
Butler, Andrew M.; March-Russell, Paul
Canterbury UK: Gylphi Limited, 2022. 306 p.
No authors listed.
Locus 17(7):5. July 1984.
Sheldon, Robert
Extrapolation 28(3): 255-268. Fall 1987.
Hardesty, Willliam H., III
in: Magill, Frank N., ed. Survey of Science Fiction Literature, Vol. 4. Englewood Cliffs, NJ: Salem Press, 1979. pp. 1759-1763.
Blackford, Russell
in: Westfahl, Gary, ed. The Greenwood Encyclopedia of Science Fiction and Fantasy: Themes, Works, and Wonders. Westport, CT: Greenwood, 2005. p. 1223-1225.
Colloquy: Text Theory Critique No. 14: 21-29. December 2007. (http://www.colloquy.monash.edu.au/)
Locus 73(3): 5. September 2014.
Kaufmann, U. Milo
Latch: A Journal for the Study of the Literary Artifacts in Theory, Culture or History Vol. 6: 55-74. 2013,
Los Angeles (CA) Times p.M4. February 12, 1995.
Chronicle 26(11): 9. November 2004. (No. 253)
Lehman, Steven
Science-Fiction Studies 12(2): 237. July 1985.
Locus 15(10):14. October 1982.
Pierce, J. J.
Reason 7(11):39-40. March 1976.
Ellingsen, Peter
St. Petersburg (FL.) Times. April 11, 1982. in: Newsbank. Film and Television. 130: C1-2. 1982.
Florida Times Union p. A16. December 31, 2000.
Goimard, Jacques
In: Goimard, Jacques. Univers sans limites. [Tome 1], Critique de la science-fiction. Paris: Pocket, 2002. p. 537-615.
Bernstein, Jeremy
in: Bernstein, Jeremy. A Comprehensible World: On Modern Science and Its Origins. New York: Random House, 1967. pp. 205-269.
Rabkin, Eric S.
Michigan Quarterly Review 24(2): 251-264. Spring 1985.
McKie, Andrew
Daily Telegraph (London) p. 24. March 20, 2008.
Mesirow, Tod
Los Angeles Review of Books July 24, 2013. (http://lareviewofbooks.org/article.php?id=1894) Accessed 23.July.2013.
Erkizan, Selena
H+ Online Magazine [15 p.] March 4, 2013. (http://hplusmagazine.com/) Accessed 5.March.2013
Lehman-Wilzig, S. N.
Literary Review (Fairleigh Dickinson University) 20:133-151. Winter 1977.
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