| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1954 |
|
The Forgotten Planet | Gnome Press | Novel | xi |
| 1954 |
|
The Forgotten Planet | Gnome Press | Novel | xi |
| April 1981 |
|
La planète oubliée | J'ai Lu | Novel | 5 |
| June 2002 |
|
Il pianeta dimenticato | Editrice Nord | Novel | ix |
| December 2012 | The Forgotten Planet | Project Gutenberg | Novel | xi | |
| January 2013 |
|
The Forgotten Planet | LibriVox | Novel | |0.5 |