Only the prologue with the argument between God and Satan about the human condition is speculative
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1919 | The Undying Fire | The Macmillan Company | Novel | 1 | |
| May 1919 | The Undying Fire | Cassell & Company | Novel | ||
| 1925 | The Undying Fire and Philosophical and Theological Speculations | T. Fisher Unwin | Omnibus | ||
| 1925 | The Undying Fire and Philosophical and Theological Speculations | Charles Scribner's Sons | Omnibus | ||
| September 1982 |
|
Unsterbliches Feuer | Zsolnay | Novel | |
| April 1985 |
|
Unsterbliches Feuer | Ullstein | Novel | |
| March 2020 | The Undying Fire | Project Gutenberg | Novel | ||
| June 2020 |
|
The Undying Fire | The Echo Library | Novel |