| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1963 |
|
New Worlds Science Fiction, December 1963 | Nova Publications Ltd. | MAGAZINE | 60 |
| March 1965 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 57 |
| 1975 |
|
North by 2000 | Peter Martin Associates | Collection | 101 |
| 1976 |
|
North by 2000 | Peter Martin Associates | Collection | 103 |
| 1977 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 57 |
| March 2012 |
|
North by 2000+ | Five Rivers Chapmanry | Collection | |
| March 2012 | North by 2000+ | Five Rivers Chapmanry | Collection |