| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1965 |
|
Off Center / The Rithian Terror | Ace Books | Omnibus | 9 |
| 1973 |
|
Off Center | Award Books | Collection | 9 |
| October 1977 |
|
Off Centre | Magnum | Collection | 7 |
| November 2006 |
|
Futures Past | Ace Books | Anthology | 153 |
| June 2013 |
|
Futures Past | Baen Books | Anthology | |
| August 2014 |
|
Far Out / In Deep / Off Centre / Turning On | Gollancz / Orion | Omnibus | 315 |