| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1970 |
|
Worlds of Fantasy, #2, 1970 | Universal Publishing & Distributing Corporation | MAGAZINE | 79 |
| 1972 |
|
Breaking Point | Walker & Co. | Collection | 96 |
| October 1973 |
|
Breaking Point | DAW Books | Collection | 94 |
| October 1973 |
|
Breaking Point | DAW Books / New American Library of Canada | Collection | 94 |
| March 1976 |
|
Zeichen aus einer anderen Welt | Goldmann | Collection | |7 |
| July 2012 |
|
Breaking Point | Gateway / Orion | Collection | |94 |
| April 2014 |
|
Breaking Point | Open Road Integrated Media | Collection | |96 |
| October 2020 |
|
Breaking Point | ReAnimus Press | Collection | |6 |
| October 2020 |
|
Breaking Point | ReAnimus Press | Collection | |6 |
| October 2023 |
|
Breaking Point | Listnerz.com | Collection | |4 |