| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1963 |
|
New Worlds Science Fiction, July 1963 | Nova Publications Ltd. | MAGAZINE | 42 |
| February 1964 |
|
Lambda I and Other Stories | Berkley Medallion | Anthology | 160 |
| March 1965 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 189 |
| 1977 |
|
Lambda I and Other Stories | Penguin Books | Anthology | 189 |