Serialized in Science & Invention 14 parts starting in July, 1925.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1925 |
|
Science and Invention, July 1925 | Experimenter Publishing Company | MAGAZINE | 224 |
| August 1925 |
|
Science and Invention, August 1925 | Experimenter Publishing Company | MAGAZINE | 328 |
| September 1925 |
|
Science and Invention, September 1925 | Experimenter Publishing Company | MAGAZINE | 420 |
| October 1925 | Science and Invention, October 1925 | Experimenter Publishing Company | MAGAZINE | 524 | |
| November 1925 |
|
Science and Invention, November 1925 | Experimenter Publishing Company | MAGAZINE | 628 |
| December 1925 | Science and Invention, December 1925 | Experimenter Publishing Company | MAGAZINE | 724 | |
| January 1926 | Science and Invention, January 1926 | Experimenter Publishing Company | MAGAZINE | 816 | |
| February 1926 |
|
Science and Invention, February 1926 | Experimenter Publishing Company | MAGAZINE | 912 |
| March 1926 |
|
Science and Invention, March 1926 | Experimenter Publishing Company | MAGAZINE | 1006 |
| April 1926 |
|
Science and Invention, April 1926 | Experimenter Publishing Company | MAGAZINE | 1104 |
| May 1926 |
|
Science and Invention, May 1926 | Experimenter Publishing Company | MAGAZINE | 36 |
| June 1926 | Science and Invention, June 1926 | Experimenter Publishing Company | MAGAZINE | 132 | |
| July 1926 | Science and Invention, July 1926 | Experimenter Publishing Company | MAGAZINE | 228 | |
| August 1926 | Science and Invention, August 1926 | Experimenter Publishing Company | MAGAZINE | 322 | |
| 1930 |
|
Tarrano the Conqueror | A. C. McClurg & Co. | Novel | |
| 1931 |
|
Tarrano the Conqueror | A. L. Burt Company | Novel | |
| 1931 | Tarrano el Conquistador | Revista Literaria | Novel | ||
| March 1931 |
|
Tarrano the Conqueror | The Philadelphia Record | Novel | |
| July 1941 |
|
Science Fiction Quarterly, Summer 1941 | Columbia Publications, Inc.; Holyoke, MA | MAGAZINE | 4 |
| 1963 |
|
Tarrano le conquérant | Hachette | Novel | |
| October 1975 | Tarrano the Conqueror | Garland Publishing | Novel | ||
| May 2007 | Tarrano the Conqueror | Project Gutenberg | Novel | ||
| September 2007 |
|
Tarrano the Conqueror | Aegypan | Novel | |
| December 2008 |
|
Tarrano the Conqueror | Wildside Press | Novel | |
| April 2009 |
|
Tarrano the Conqueror | CreateSpace | Novel | |
| May 2013 |
|
Tarrano the Conqueror | Spastic Cat Press | Novel | |
| August 2013 |
|
The Ray Cummings Megapack | Wildside Press | Collection | |
| March 2015 |
|
Tarrano the Conqueror | Sci-Fi Publishing | Novel | |
| November 2015 |
|
Tarrano the Conqueror | Gateway / Orion | Novel | |
| May 2017 |
|
Tarrano the Conqueror | Pinnacle Press | Novel | |
| January 2018 |
|
Tarrano the Conqueror | Novel | ||
| December 2020 |
|
Tarrano the Conqueror | e-artnow | Novel |