| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1961 |
|
Analog Science Fact -> Science Fiction, December 1961 | Street & Smith Publications, Inc. | MAGAZINE | 168 |
| April 1962 |
|
Analog Science Fact -> Science Fiction, April 1962 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 127|127.1 |