| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 2015 |
|
Le guide Howard | ActuSF | Nonfiction | |
| May 2018 |
|
The Robert E. Howard Guide | Skelos Press | Nonfiction | |
| June 2018 |
|
The Robert E. Howard Guide | Skelos Press | Nonfiction |