First published in Destinies, Winter 1981.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1981 |
|
Destinies, Winter 1981 | Ace Books | Anthology | 67 |
| June 1988 |
|
Minds, Machines and Evolution | Bantam Spectra | Collection | 83 |
| December 1999 |
|
Minds, Machines & Evolution | Baen Books | Collection | 91 |