Appeared alongside James White in
| Title | Type | Year | Year | |
|---|---|---|---|---|
|
|
8th Annual Year's Best SF | Anthology | 1963 | |
|
The Best of Sci-Fi No. 4 | Anthology | 1965 | |
|
Santa 2000 | Anthology | 1984 | |
|
Fiction 213, September 1971 | Magazine issue | 1971 |