{{Tr|Bianca Russo}}, with an extensive translation revision by Giuseppe Lippi for the last publication
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1967 |
|
Urania #458 | Mondadori | MAGAZINE | 200 |
| February 1991 |
|
Urania #1146 | Mondadori | MAGAZINE | 21 |
| December 2009 |
|
Storie del tempo e dello spazio | Mondadori | Collection | 35 |