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(Imagination, October 1950)
(Galaxy, June 1951)
(Imagination, September 1951)
(Imagination, January 1952)
(Galaxy, February 1952)
(Imagination, February 1953)
(If, May 1953)
(Imagination, January 1954)
(Galaxy, January 1957)
(If, September 1962)
(If, November 1962)
(Galaxy, December 1962)
(Galaxy, April 1963)
(Analog, July 1963)
(Galaxy, February 1964)