| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1960 |
|
The Magazine of Fantasy and Science Fiction, May 1960 | Mercury Press, Inc. | MAGAZINE | 78 |
| 1962 |
|
The Mathematical Magpie | Simon & Schuster | Anthology | 281 |
| May 1997 |
|
The Mathematical Magpie | Copernicus | Anthology |