| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1976 |
|
Galactic Empires Volume Two | Weidenfeld & Nicolson | Anthology | vi |
| October 1976 |
|
Galactic Empires Volume Two | Orbit | Anthology | vi |
| October 1977 |
|
Galactic Empires, Volume II | St. Martin's Press | Anthology | vi |
| April 1978 |
|
Galactic Empires, Volume II | St. Martin's Press / SFBC | Anthology | vi |
| November 1978 |
|
Imperi galattici: l'epica fantascientifica 1923-1978 | Fanucci Editore | Omnibus | 337 |
| March 1979 |
|
Galactic Empires: Volume Two | Avon | Anthology | ix |
| June 1983 |
|
Titan 20 | Heyne | Anthology | 7 |
| September 1988 |
|
Galactic Empires | Legend | Anthology |