| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1978 |
|
Encyclopedia of Science Fiction | Octopus Books | Nonfiction | 122 |
| July 1979 |
|
Encyclopedia of Science Fiction | Octopus Books / SFBC | Nonfiction | 122 |
| 1983 |
|
Encyclopedia of Science Fiction | Cathay Books | Nonfiction | 122 |