| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 2015 |
|
The Collected Letters of Robert E. Howard / Index and Addenda | The Robert E. Howard Foundation Press | Nonfiction | 16|16.3 |
| February 2018 |
|
The Robert E. Howard Foundation Newsletter, Fall/Winter 2017 | The Robert E. Howard Foundation | FANZINE | 3 |
| October 2021 |
|
The Collected Letters of Robert E. Howard Volume One: 1923-1929 | The Robert E. Howard Foundation Press | Nonfiction | 291|291.2 |