| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1981 |
|
The Guardians of Time | Tor / Pinnacle | Collection | 245 |
| 1982 |
|
The Guardians of Time | Tor / Pinnacle | Collection | 245 |
| March 1988 | The Guardians of Time | Tor | Collection | 245 | |
| December 2013 |
|
Brain Wave / The Boat of a Million Years / The Guardians of Time | Gateway / Orion | Omnibus |