Categorized by Richard Bleiler as a world conquest story.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1919 |
|
The Thrill Book, April 15, 1919 | Street & Smith Publications, Inc. | MAGAZINE | 37 |
| March 2011 | The Thrill Book Collection: Volume I | Lulu.com | Anthology | |200 |