Available on page 161, <a target="_blank" rel="noopener" href="http://www.isfdb.org/cgi-bin/pl.cgi?GRSBCKYR1999">Bleiler (Gernsback)</a>.
Amazing Stories Quarterly, Spring 1929, illustrated by Paul and unsigned.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1929 |
|
Amazing Stories Quarterly, Spring 1929 | Experimenter Publishing Company | MAGAZINE | 222 |
| July 1968 |
|
Amazing Stories, July 1968 | Ultimate Publishing Co., Inc. | MAGAZINE | 39 |
| July 2009 |
|
The Metal Giants and Others | Haffner Press | Collection | 505 |
| September 2013 |
|
Locked Worlds / The Land That Time Forgot | Armchair Fiction | Omnibus | |1 |
| January 2015 |
|
Avventura nello spazio | Edizioni Della Vigna | Collection | |2 |