{{Tr|an unspecified hand}} (either Hilia Brinis or Beata Della Frattina or both of them)
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1973 |
|
Urania #625 | Mondadori | MAGAZINE | 76 |
| March 1979 |
|
Asimov Story | Mondadori | Collection | 69 |
| May 1987 |
|
Asimov Story | Mondadori | Collection | 69 |