Expansion of "Lord of the Uffts".
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1964 |
|
The Duplicators / No Truce with Terra | Ace Books | Omnibus | 5 |
| March 1965 |
|
I Romanzi del Cosmo #167 | Ponzoni | MAGAZINE | 3 |
| November 1965 |
|
Die Revolution der Uffts | Moewig | Novel | 5 |
| 1966 |
|
O planeta da utopia | Livros do Brasil | Novel | |
| June 2005 |
|
A Logic Named Joe | Baen Books | Omnibus | 211 |
| February 2007 |
|
A Logic Named Joe | Baen Books | Omnibus | |
| May 2007 |
|
The 1634: The Baltic War Disk | Baen Books | Omnibus | |29.5 |
| May 2007 | A Logic Named Joe | Baen Books | Omnibus | ||
| May 2007 | The 1634: The Baltic War Disk | Baen Books | Omnibus | |29.5 | |
| May 2007 | A Logic Named Joe | Baen Books | Omnibus | ||
| September 2007 |
|
The Duplicators | Wildside Press | Novel | |
| September 2007 |
|
The Duplicators | Wildside Press | Novel | |
| October 2010 | The 1635: The Eastern Front Disk | Baen Books | Omnibus | |34.5 | |
| October 2010 | A Logic Named Joe | Baen Books | Omnibus | ||
| February 2016 |
|
The Duplicators | Sci-Fi Publishing | Novel | |
| June 2020 |
|
A Logic Named Joe | Recorded Books | Omnibus | |
| June 2020 |
|
A Logic Named Joe | Recorded Books and Blackstone Publishing | Omnibus | |
| March 2022 |
|
The Duplicators | Gateway / Orion | Novel |