| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1963 |
|
New Worlds Science Fiction, April 1963 | Nova Publications Ltd. | MAGAZINE | 49 |
| February 1964 |
|
Lambda I and Other Stories | Berkley Medallion | Anthology | 84 |
| March 1965 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 100 |
| 1975 |
|
Science Fiction Stories | Ward Lock Educational | Anthology | 130 |
| 1977 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 100 |
| 1978 |
|
Science Fiction Stories | Ward Lock Educational | Anthology | 130 |