Ross, Andrew
London: Verso, 1991. 275pp.
Erisman, Fred
Extrapolation 41(3): 272-282. Fall 2000.
No authors listed.
New York Times p. 28. August 17, 1927.
New York Times p. 3. June 30, 1945.
New York Times p. 21. November 19, 1928.
Seidel, Mir
New York Review of Science Fiction 31(1): 1, 4-7. June 2021. (No. 355)
Sheridan, Thomas
Fantasy Review 3(14): 8-10. April/May 1949.
Ashley, Mike
in: Ashley, Mike/Lowndes, Robert A. W. The Gernsback Days: A Study of the Evolution of Modern Science Fiction from 1911 to 1936. Holicong, PA: Wildside Press, 2004. p. 9-14.
Ashley, Mike; Lowndes, Robert A. W.
Holicong, PA: Wildside Press, 2004. 499 p.
Moskowitz, Sam
Riverside Quarterly 4(4): 272-274. March 1971.
Dilks, John
QST 92(4): 92-93. April 2008.
Wythoff, Grant
The Appendix 2(3), July 2014. (Ca. 10 pages) (http://theappendix.net/issues/2014/7/the-invention-of-wireless-cryptography) Accessed 9.July.2014.
Westfahl, Gary
Liverpool, U. K.: Liverpool University Press, 1998. 344pp.
Gernsback, Hugo
Minneapolis: University of Minnesota Press, 2016. 359 p. Online at: https://manifold.umn.edu/project/the-perversity-of-things
Fantasy Review 3(15): 12-14. Summer 1949.
Hugo Gernsback's Forecast [8 p.] August 1997. (http://www.twd.net/ird/forecast/)
Science Fiction Digest 1(4): 3-4. December 1932.
New York Times p. S12. July 11, 1943.
Drown, Eric M.
Ph. D. Dissertation, University of Minnesota, 2001. 312 p. (DAI-A 62(11): 3831. May 2002)
Phelan, Paul
Science Fiction Times No. 287:3. January 1958. (Reprinted from NY World Telegraph and Sun, 1958)
New York Times p. X14. April 17, 1927.
New York Times p. 42. December 5, 1928.
Extrapolation 41(1): 63-72. Spring 2000.
Leeper, Mark R.
Lan's Lantern No. 17: 33. July 1985.
Leeper, E. C.
Lan's Lantern No. 17: 32. July 1985.
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