Notes
Amazing Stories, April 1929, illustrated by Frank R. Paul. {{Tr|an unknown translator}}. May be translated by Benjamin Block.
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1929 | Amazing Stories, April 1929 | Experimenter Publishing Company | MAGAZINE | 6 |
| March 1968 | Science Fiction Classics, Spring 1968 | Ultimate Publishing Co., Inc. | MAGAZINE | 3 |