| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1959 |
|
The Magazine of Fantasy and Science Fiction, October 1959 | Mercury Press, Inc. | MAGAZINE | 59 |
| July 1985 |
|
Forward! | Baen Books | Collection | 241 |
| July 1985 |
|
Forward! | Baen Books | Collection | 241 |
| February 1988 |
|
Guided Tour | Tor | Collection | 1 |