La storia dietro la Fondazione (Fondazione e Terra)
| First published | May 1987 |
|---|---|
| Type | Essay |
{{Tr|an uncredited hand}}, possibly Piero Anselmi
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1987 |
|
Fondazione e Terra | Mondadori | Novel | 7 |
| July 1990 |
|
Urania #1131 | Mondadori | MAGAZINE | 3 |