| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1964 |
|
Amazing Stories, July 1964 | Ziff-Davis Publishing Company | MAGAZINE | 6 |
| October 1966 |
|
Urania #447 | Mondadori | MAGAZINE | 4 |
| June 1967 |
|
Die stummen Schwingen | Pabel | Collection | 27 |