| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 2002 |
|
Rex | Big Guy Books | Chapbook | |
| November 2002 |
|
Time Soldiers Gift Set: Rex, Rex 2, Patch | Big Guy Books | Collection | |
| May 2005 |
|
Rex | Big Guy Books | Chapbook | |
| May 2016 |
|
Rex | Big Guy Books | Chapbook |