| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1960 |
|
Analog Science Fact -> Fiction, November 1960 | Street & Smith Publications, Inc. | MAGAZINE | 139 |
| March 1961 |
|
Analog Science Fact -> Fiction, March 1961 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 101 |
| February 2007 | Oomphel in the Sky | Project Gutenberg | Chapbook | 139 |