| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1956 |
|
New Worlds Science Fiction, April 1956 | Nova Publications Ltd. | MAGAZINE | 5 |
| May 1956 |
|
New Worlds Science Fiction, May 1956 | Nova Publications Ltd. | MAGAZINE | 79 |
| June 1956 |
|
New Worlds Science Fiction, June 1956 | Nova Publications Ltd. | MAGAZINE | 83 |
| July 1956 |
|
New Worlds Science Fiction, July 1956 | Nova Publications Ltd. | MAGAZINE | 81 |
| February 1957 |
|
The Earth in Peril / Who Speaks of Conquest? | Ace Books | Omnibus | 5|0.5 |
| 1958 |
|
Menschheit im Aufbruch | Balowa / Gebrüder Zimmermann | Novel | |
| March 1958 |
|
Urania #174 | Mondadori | MAGAZINE | 3 |
| November 1958 |
|
Qui parle de conquête | Fleuve Noir | Novel | |
| October 1960 |
|
Menschheit im Aufbruch (I) | Moewig | Novel | 1 |
| October 1960 |
|
Menschheit im Aufbruch (II) | Moewig | Novel | 1 |
| 1961 |
|
Who Speaks of Conquest? | Digit Books | Novel | |
| 1963 |
|
Who Speaks of Conquest? | Digit Books | Novel |