| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1945 |
|
The Opener of the Way | Arkham House | Collection | ix |
| April 1974 |
|
The Opener of the Way | Neville Spearman | Collection | [vii] |
| May 1976 |
|
The Opener of the Way | Panther | Collection | 7 |
| October 1976 |
|
House of the Hatchet | Panther | Collection | 9 |
| November 1991 |
|
Colui che apre la via | Mondadori | Collection | v |