Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| March 1963 | The Magazine of Fantasy and Science Fiction, March 1963 | Mercury Press, Inc. | MAGAZINE | 24 |
| July 1963 | The Magazine of Fantasy and Science Fiction, July 1963 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 73 |
| April 1984 | The Unicorn Trade | Tor | Collection | 230 |
| December 2014 | The Unicorn Trade | Open Road Integrated Media | Collection |