Categorized by Richard Bleiler as a lost race story.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1919 |
|
The Thrill Book, March 1, 1919 | Street & Smith Publications, Inc. | MAGAZINE | 10 |
| March 2011 | The Thrill Book Collection: Volume I | Lulu.com | Anthology | |40 |