PUBLICATION HISTORY
Amazing Stories, November 1963.
as: "Terzo Reich Parallelo" in Urania #359, 22nd November 1964. Milan: Arnoldo Mondadori Editore. Translated by Anna Pezzoli. [Italian]
as: "Ritorno Perduto" in: Gamma #27, March 1968. Milan: Edizioni dello Scorpione. Translated by Gian Luigi Gonano. [Italian]
The Most Thrilling Science Fiction Ever Told, Summer 1968.
Prime Number, July 1970.
as: "Zurück zur Erde" in: Primzhal [Prime Number]. June 1972. [German].
Galactic Dreams, April 1994.
50 in 50, July 2001.
|