Not the same essay as the one in Report on Planet Three and Greetings: Carbon-based Bipeds, DO NOT MERGE
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1972 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| 1972 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| January 1972 |
|
The Lost Worlds of 2001 | Signet / New American Library | Collection | 17 |
| January 1972 |
|
The Lost Worlds of 2001 | Signet / New American Library of Canada | Collection | 17 |
| November 1972 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| 1974 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| December 1976 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| 1978 |
|
Izgubljeni svetovi 2001. | Jugoslavija | Collection | 17 |
| September 1978 |
|
The Lost Worlds of 2001 | Sidgwick & Jackson | Collection | 17 |
| September 1979 | The Lost Worlds of 2001 | Gregg Press | Collection | 17 | |
| August 1982 |
|
The Lost Worlds of 2001 | New English Library | Collection | 17 |
| 1988 |
|
Izgubljeni svetovi 2001. | Prosveta | Collection | 17 |