| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1982 |
|
The Identity Matrix | Timescape / Pocket Books | Novel | 7 |
| January 1986 |
|
The Identity Matrix | Baen Books | Novel | 1 |
| December 1989 |
|
The Identity Matrix | Baen Books | Novel | |
| May 1993 |
|
The Identity Matrix | Baen Books | Novel | 5 |
| June 2013 |
|
The Identity Matrix | Gateway / Orion | Novel | |
| June 2024 |
|
Audiobook Collection | MotionAudiobooks | Omnibus | |36 |