| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1963 |
|
The Magazine of Fantasy and Science Fiction, October 1963 | Mercury Press, Inc. | MAGAZINE | 72 |
| March 1964 |
|
Venture Science Fiction [UK], March 1964 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 52 |
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 109 |
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 109 |