First published in The Saint Mystery Magazine (UK), January 1963
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1965 |
|
Rulers of Men | Pyramid Books | Anthology | 160 |
| 1967 |
|
Gods for Tomorrow | Award Books | Anthology | 194 |
| 1967 |
|
Gods for Tomorrow | Tandem | Anthology | 194 |
| May 1969 |
|
Die Mächtigen des Universums | Heyne | Anthology | 160 |
| 1970 |
|
Die Mächtigen des Universums | Heyne | Anthology | 160 |
| March 1974 |
|
Chronicles of a Comer and Other Religious Science Fiction Stories | John Knox Press | Anthology | 33 |
| January 1978 |
|
Dark Sins, Dark Dreams: Crime in Science Fiction | Doubleday | Anthology | 48 |
| December 1982 |
|
Brennpunkt Zukunft 2 | Ullstein | Anthology | 84 |
| December 2013 |
|
Ellery Queen's Mystery Magazine, December 2013 | Dell Magazines | MAGAZINE | 63 |
| July 2015 |
|
The Future Is Ours | Wildside Press | Collection | |19 |
| December 2015 |
|
The Future Is Ours | Wildside Press | Collection | 19 |
| December 2015 |
|
The Future Is Ours | Wildside Press | Collection | 19 |
| March 2016 |
|
The Future Is Ours | Wildside Press | Collection | |19 |