| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 2008 |
|
A Machen Omnibus | Copper Penny Press | Omnibus | 7 |
| April 2011 | A Machen Omnibus | Copper Publishing | Omnibus | ||
| February 2015 |
|
A Machen Omnibus | Copper Penny Press | Omnibus |