| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1965 |
|
The Magazine of Fantasy and Science Fiction, May 1965 | Mercury Press, Inc. | MAGAZINE | 35 |
| June 1965 |
|
Urania #388 | Mondadori | MAGAZINE | 123 |
| July 1965 |
|
Urania #392 | Mondadori | MAGAZINE | 112 |
| May 1966 |
|
Minotauro, Mayo-Junio 1966 | Minotauro | MAGAZINE | 99 |
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 73 |
| 1983 |
|
The Fringe of the Unknown | Prometheus Books | Nonfiction | 73 |