| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1926 |
|
Weird Tales, September 1926 | Popular Fiction Publishing Co. | MAGAZINE | 307 |
| October 1926 |
|
Weird Tales, October 1926 | Popular Fiction Publishing Co. | MAGAZINE | 520 |
| November 1926 |
|
Weird Tales, November 1926 | Popular Fiction Publishing Co. | MAGAZINE | 690 |
| July 2009 |
|
The Metal Giants and Others | Haffner Press | Collection | 19 |
| January 2015 |
|
Avventura nello spazio | Edizioni Della Vigna | Collection | |1 |
| 2019 |
|
Weird Tales | Pulp Classics on DVD | Anthology | 690|10805690 |
| 2019 |
|
Weird Tales | Pulp Classics on DVD | Anthology | 520|10804520 |
| 2019 |
|
Weird Tales | Pulp Classics on DVD | Anthology | 307|10803307 |