| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1965 |
|
Analog Science Fact -> Science Fiction, February 1965 | Condé Nast | MAGAZINE | 46 |
| May 1967 |
|
Analog 5 | Doubleday | Anthology | 1 |
| 1968 |
|
Analog 5 | Dennis Dobson | Anthology | 1 |
| April 1968 |
|
Not Before Time | Four Square Books | Collection | 64 |
| 1970 |
|
Countercommandment and Other Stories | Curtis Books | Anthology | 21 |
| December 1973 |
|
Time-Jump | Dell | Collection | 96 |
| December 1973 |
|
Time-Jump | Dell | Collection | 96 |
| May 1975 |
|
Not Before Time | New English Library | Collection | 64 |
| 1976 |
|
Der galaktische Verbraucher-Service: Zeitmaschinen für Jedermann | Goldmann | Collection | 97 |
| April 1979 |
|
Not Before Time | New English Library | Collection | 64 |