Publications (5)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1947 | Astounding Science Fiction, April 1947 | Street & Smith Publications, Inc. | MAGAZINE | 74 |
| October 1947 | Astounding Science Fiction, October 1947 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 43 |
| October 1947 | Astounding Science Fiction, October 1947 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 43 |
| July 1955 | Operation Future | Permabooks | Anthology | 330 |
| September 1956 | Operation Future | Permabooks | Anthology | 330 |