The word count is over 49,500 on the Project Gutenberg collected edition as counted by word-processing program.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1927 |
|
Weird Tales, October 1927 | Popular Fiction Publishing Co. | MAGAZINE | 459 |
| November 1927 |
|
Weird Tales, November 1927 | Popular Fiction Publishing Co. | MAGAZINE | 639 |
| December 1927 |
|
Weird Tales, December 1927 | Popular Fiction Publishing Co. | MAGAZINE | 832 |
| January 1928 |
|
Weird Tales, January 1928 | Popular Fiction Publishing Co. | MAGAZINE | 105 |
| July 2009 |
|
The Metal Giants and Others | Haffner Press | Collection | 215 |
| September 2015 |
|
The Time-Raider / The Whisper of Death | Armchair Fiction | Anthology | |1 |
| 2019 | Weird Tales (disc 2) | Anthology | 105|21101105 | ||
| 2019 | Weird Tales (disc 2) | Anthology | 832|21006832 | ||
| 2019 | Weird Tales (disc 2) | Anthology | 639|21005639 | ||
| 2019 | Weird Tales (disc 2) | Anthology | 459|21004459 | ||
| July 2022 | The Time-Raider | Project Gutenberg | Novel | ||
| July 2022 |
|
Black Cat Weekly, #46 | Wildside Press | MAGAZINE | |
| September 2022 |
|
The Time-Raider | Otbebookpublishing | Novel |