| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1958 | Howard Phillips Lovecraft Memorial Symposium | University of Detroit | Nonfiction | ||
| October 1990 | Fafhrd & Me | Wildside Press | Nonfiction | ||
| November 1990 |
|
Fafhrd & Me | Wildside Press | Nonfiction | 77 |
| November 1998 |
|
Lovecraft Remembered | Arkham House | Nonfiction | 299 |
| 2003 |
|
Fritz Leiber and H. P. Lovecraft: Writers of the Dark | Wildside Press | Collection | 292 |
| February 2004 | Fritz Leiber and H. P. Lovecraft: Writers of the Dark | Wildside Press | Collection | 292 | |
| January 2025 |
|
Lovecraft und ich | Festa | Collection | 287 |