The Ultimate Experiment
| First published | July 1941 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1941 |
|
Comet, July 1941 | H-K Publications | MAGAZINE | 120 |
| August 2007 | The Ultimate Experiment | Project Gutenberg | Chapbook | ||
| November 2007 |
|
Short Science Fiction Collection 02 | LibriVox | Anthology | |8 |
| November 2011 |
|
Short Science Fiction Collection 44 | LibriVox | Anthology | |9 |
| January 2015 |
|
Comet, July 1941 | Pulp Tales Press | Anthology | 120 |
| October 2025 |
|
The Classic Science Fiction Collection | Arcturus Publishing | Anthology | 899 |
| November 2025 |
|
The Classic Science Fiction Collection | Sirius | Anthology | 899 |