External Links
Publications (7)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| February 1958 | Galaxy Science Fiction, February 1958 | Galaxy Publishing Corporation | MAGAZINE | 108 |
| April 1958 | Galaxy Science Fiction, No. 61 | Strato Publications | MAGAZINE | 92 |
| October 2007 | Traders Risk | Project Gutenberg | Chapbook | |
| March 2008 | Short Science Fiction Collection 04 | LibriVox | Anthology | |9 |
| September 2011 | Traders Risk | Aegypan | Chapbook | |
| October 2011 | Traders Risk | Aegypan | Chapbook | |
| January 2016 | The 30th Golden Age of Science Fiction Megapack | Wildside Press | Collection |