| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1972 |
|
The Conan Grimoire | Mirage Press | Anthology | 33 |
| 1974 |
|
The Conan Grimoire | Mirage Press | Anthology | 33 |
| July 1980 |
|
The Spell of Conan | Ace Books | Nonfiction | 26 |
| October 1990 | Fafhrd & Me | Wildside Press | Nonfiction | ||
| November 1990 |
|
Fafhrd & Me | Wildside Press | Nonfiction | 46 |
| September 2010 |
|
The Robert E. Howard Reader | Borgo Press / Wildside Press | Nonfiction | 42 |