| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1954 |
|
If, September 1954 | Quinn Publishing Company, Inc.; Buffalo, NY | MAGAZINE | 6 |
| December 1954 |
|
If, No. 14 | Strato Publications | MAGAZINE | 4 |
| February 1981 |
|
Science-Fiction-Stories 86 | Ullstein | Anthology | 5 |
| June 2010 | The Test Colony | Project Gutenberg | Chapbook | ||
| September 2010 |
|
The Test Colony | General Books | Chapbook | |
| January 2012 |
|
"The Test Colony" and Other Stories | Armchair Fiction | Collection | 5 |
| May 2014 |
|
The First Golden Age of Science Fiction Megapack | Wildside Press | Collection | |
| September 2016 |
|
Fantastic Stories Presents the Worlds of If Super Pack #2 | Positronic Publishing | Anthology | 84 |
| October 2016 |
|
Fantastic Stories Presents the Worlds of If Super Pack #2 | Positronic Publishing | Anthology | |11 |
| April 2018 |
|
Fantastic Stories Presents the Worlds of If Super Pack #2 | Positronic Publishing | Anthology | 84 |