The Master Key
| First published | August 1920 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Series | Joe Fenner |
Available on page 514, <a target="_blank" rel="noopener" href="http://www.isfdb.org/cgi-bin/pl.cgi?GRSBCKYR1999">Bleiler (Gernsback)</a>.
Amazing Stories, April 1928, unsigned illustration.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1920 |
|
Science and Invention, August 1920 | Experimenter Publishing Company | MAGAZINE | 374 |
| April 1928 |
|
Amazing Stories, April 1928 | Experimenter Publishing Company | MAGAZINE | 67 |