Fictioneers, Inc.
Copyright Holder 9
 | Super Science Stories, November 1940 | Pulp Magazine |
 | Super Science Novels Magazine, March 1941 | Pulp Magazine |
 | Super Science Novels Magazine, May 1941 | Pulp Magazine |
 | Super Science Stories, January 1941 | Pulp Magazine |
 | Super Science Stories, February 1942 | Pulp Magazine |
 | Astonishing Stories, February 1943 | Pulp Magazine |
 | Super Science Stories, May 1943 | Pulp Magazine |
 | Assignment in Eternity | Hardback |
 | Science-Fiction Thinking Machines | Mass-Market Paperback |
Imprint 2
| Astonishing Stories, February 1943 | Pulp Magazine |
| Super Science Stories, May 1943 | Pulp Magazine |
Publisher 5
| Super Science Stories, November 1940 | Pulp Magazine |
| Super Science Novels Magazine, March 1941 | Pulp Magazine |
| Super Science Novels Magazine, May 1941 | Pulp Magazine |
| Super Science Stories, January 1941 | Pulp Magazine |
| Super Science Stories, February 1942 | Pulp Magazine |