| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1929 |
|
Amazing Stories, November 1929 | Experimenter Publishing Company | MAGAZINE | |
| April 2017 |
|
The Best of Amazing Stories: The 1929 Anthology | Experimenter Publishing Company | Anthology | |
| February 2021 |
|
The Secret Kingdom | Paperback Classics | Novel |