(en) Matthew Richardson, The Halstead Treasury of Ancient Science Fiction, Rushcutters Bay, New South Wales, Halstead Press, , 191 p. (ISBN978-1-875684-64-9, OCLC62503830) (cf.« Once Upon a Time », Emerald City, no 85, (lire en ligne, consulté le ))
(en) Matthew Richardson, The Halstead Treasury of Ancient Science Fiction, Rushcutters Bay, New South Wales, Halstead Press, , 191 p. (ISBN978-1-875684-64-9, OCLC62503830) (cf.« Once Upon a Time », Emerald City, no 85, (lire en ligne, consulté le ))