| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1978 |
|
Pendulum | DAW Books | Collection | 142 |
| December 1978 |
|
Pendulum | DAW Books / New American Library of Canada | Collection | 142 |
| January 1982 |
|
Pendulum | DAW Books | Collection | 142 |
| July 1982 |
|
Pendulum | New English Library | Collection | 203 |