| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1962 |
|
Analog Science Fact -> Science Fiction, December 1962 | Condé Nast | MAGAZINE | 160|160.2 |
| April 1963 |
|
Analog Science Fact -> Science Fiction, April 1963 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 124|124.2 |