 | Wonder Stories Quarterly, Vol. 3, No. 2 | Bedsheet Magazine |
 | Astounding Science-Fiction, April 1938 | Pulp Magazine |
 | Startling Stories, May 1940 | Pulp Magazine |
 | Famous Science-Fiction Stories: Adventures in Time and Space | Hardback |
 | Thrilling Wonder Stories, April 1949 | Pulp Magazine |
 | Thrilling Wonder Stories, December 1950 | Pulp Magazine |
 | Planet Stories, Vol. 5, No. 12 | Pulp Magazine |
 | Science Fiction of the 30's | Hardback |
 | La Edad De Oros De La Ciencia Ficcion II | Soft cover |
 | The Time Travel Megapack | e-Book |
 | Galaktika 297 | Magazine |
 | Antes De La Edad De Oro 2 | Unknown |
