For Your Information: My Friend, the Nautilus
| First published | November 1968 |
|---|---|
| Type | Essay |
| Series | For Your Information |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1968 |
|
Galaxy Magazine, November 1968 | Galaxy Publishing Corporation | MAGAZINE | 122 |
| November 1969 |
|
Urania #526 | Mondadori | MAGAZINE | 150 |