| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1961 |
|
Analog Science Fact -> Fiction, January 1961 | Street & Smith Publications, Inc. | MAGAZINE | 173 |
| May 1961 |
|
Analog Science Fact -> Fiction, May 1961 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 124|124.1 |