| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1963 |
|
If, November 1963 | Galaxy Publishing Corporation | MAGAZINE | 114 |
| May 1964 |
|
Galaxie, Mai 1964 | OPTA | MAGAZINE | 78 |
| August 1964 |
|
Urania #344 | Mondadori | MAGAZINE | 4 |
| March 1966 |
|
The If Reader of Science Fiction | Doubleday | Anthology | 132 |
| 1967 |
|
The If Reader of Science Fiction | Ace Books | Anthology | 121 |
| 1967 |
|
The If Reader of Science Fiction | Whiting & Wheaton | Anthology | 132 |
| February 1967 |
|
Out of My Mind | Ballantine Books | Collection | 175 |
| April 1968 |
|
Not Before Time | Four Square Books | Collection | 48 |
| May 1975 |
|
Not Before Time | New English Library | Collection | 48 |
| April 1979 |
|
Not Before Time | New English Library | Collection | 48 |
| April 2014 |
|
Out of My Mind | Open Road Integrated Media | Collection | |175 |
| April 2014 |
|
Out of My Mind | Open Road Integrated Media | Collection |