Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| June 1953 | Astounding Science Fiction, June 1953 | Street & Smith Publications, Inc. | MAGAZINE | 48 |
| November 1953 | Astounding Science Fiction, November 1953 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 32 |
| May 1969 | Gentle Invaders | Belmont Books | Anthology | 111 |
| May 1969 | Gentle Invaders | Belmont Books | Anthology | 111 |