| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1967 |
|
Galaxy Magazine, April 1967 | Galaxy Publishing Corporation | MAGAZINE | 185 |
| July 1970 |
|
Prime Number | Berkley Medallion | Collection | 63 |
| 1975 |
|
Prime Number | Sphere | Collection | 63 |
| 1978 |
|
Prime Number | Sphere Books | Collection | 63 |
| 1983 |
|
Prime Number | Sphere | Collection | 63 |
| February 1987 |
|
Prime Number | Sphere | Collection | |
| June 2001 |
|
50 in 50 | Tor | Collection | 463 |
| November 2002 |
|
50 in 50 | Tor | Collection | 463 |