| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1971 |
|
Fantastic, February 1971 | Ultimate Publishing Co., Inc. | MAGAZINE | 6 |
| July 2009 |
|
A Sense of Infinity | Baen Books | Collection | 371 |
| July 2009 |
|
A Sense of Infinity | Baen Books | Collection |