| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1969 |
|
The Squeaking Goblin | Bantam Books | Novel | |
| April 1969 |
|
The Squeaking Goblin | Bantam Books | Novel | |
| 1972 |
|
Een duivels mysterie | Classics Lektuur | Novel | |
| December 1974 |
|
Der Mörder aus dem Jenseits | Pabel | Novel | |
| April 2015 |
|
Blood 'n' Thunder #42-43-44, 2014-2015 | Murania Press | MAGAZINE | 98 |