Appeared alongside James White in
| Title | Type | Year | Year | |
|---|---|---|---|---|
|
|
Signale vom Pluto | Anthology | 1963 | |
|
The Magazine of Fantasy & Science Fiction, April 1963 | Magazine issue | 1963 | |
|
The Magazine of Fantasy & Science Fiction, August 1963 (UK edition) | Magazine issue | 1963 |