| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1997 |
|
The Callahan Chronicals | Tor | Collection | xi |
| October 1997 |
|
The Callahan Chronicals | Tor | Collection | viii |
| February 2004 |
|
The Callahan Chronicals | Blackstone Audio | Collection | |0.1 |
| 2010 |
|
The Callahan Chronicals | Playaway Digital Audio | Collection | |1 |