| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1971 |
|
Amazing Science Fiction, January 1971 | Ultimate Publishing Co., Inc. | MAGAZINE | 28 |
| July 2009 |
|
A Sense of Infinity | Baen Books | Collection | 405 |
| July 2009 |
|
A Sense of Infinity | Baen Books | Collection |