| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1969 |
|
Amazing Stories, March 1969 | Ultimate Publishing Co., Inc. | MAGAZINE | 10 |
| January 1971 |
|
Galassia, #134 | Casa Editrice La Tribuna | MAGAZINE | 131 |
| 1972 |
|
L'aube enclavée, nº 4 | Lucien Planchat | FANZINE | 5 |
| 1973 |
|
Derrière le néant | Marabout | Anthology | 135 |
| July 1973 |
|
The Steam-Driven Boy and Other Strangers | Panther | Collection | 14 |
| May 1977 |
|
Un garçon à vapeur | OPTA | Collection | 15 |
| August 1987 |
|
Das Momster und andere Aliens | Heyne | Collection | 19 |
| August 2005 |
|
The Steam-Driven Boy and Other Strangers | Cosmos Books / Wildside Press | Collection | 12 |
| September 2011 |
|
The Steam-Driven Boy | Gateway / Orion | Collection |