Columbia Publications, Inc.
Copyright Holder 8
 | Solar Assassins | Mass-Market Paperback |
 | Future Fiction, April 1941 | Pulp Magazine |
 | Future Fiction, August 1941 | Pulp Magazine |
 | The Duplicated Man | Paperback |
 | Next Stop the Stars | Mass-Market Paperback |
 | Dimension Thirteen | Paperback |
 | The Book of Philip K. Dick | Mass-Market Paperback |
 | The Book of Philip K. Dick | Mass-Market Paperback |
Publisher 2
| Future Fiction, April 1941 | Pulp Magazine |
| Future Fiction, August 1941 | Pulp Magazine |