Publications (5)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1957 | Super-Science Fiction, December 1957 | Headline Publications Inc. | MAGAZINE | 98 |
| 1965 | To Worlds Beyond | Chilton | Collection | 155 |
| September 1966 | To Worlds Beyond | Chilton | Collection | 155 |
| June 1969 | To Worlds Beyond | Sphere | Collection | 144 |
| April 1980 | Invaders from Earth and To Worlds Beyond | Ace Books | Omnibus | 389 |