The Secret Kingdom (Part 3 of 3)
Allen S. Kline & Otis Adelbert Kline
| First published | December 1929 |
|---|---|
| Type | Serial |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1929 |
|
Amazing Stories, December 1929 | Experimenter Publishing Company | MAGAZINE | 838 |