| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1958 |
|
Astounding Science Fiction, May 1958 | Street & Smith Publications, Inc. | MAGAZINE | 149|149.1 |
| August 1958 |
|
Astounding Science Fiction, August 1958 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 124|124.1 |