| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1980 |
|
Who Writes Science Fiction? | Savoy Books | Nonfiction | 162 |
| August 1980 |
|
Science Fiction Review, August 1980 | Richard E. Geis | FANZINE | 6 |
| November 1980 |
|
Dream Makers: The Uncommon People Who Write Science Fiction | Berkley Books | Nonfiction | 145 |
| June 1981 |
|
Univers 1981 | J'ai Lu | Anthology | 61 |
| April 1982 |
|
Gestalter der Zukunft: Science Fiction und wer sie macht | Hohenheim | Nonfiction | 225 |
| February 1986 |
|
Eine Spur Wahnsinn | Luchterhand | Collection | 146 |
| 1987 |
|
Dream Makers: Science Fiction and Fantasy Writers at Work | Xanadu | Nonfiction | 147 |
| March 1987 |
|
Dream Makers: Science Fiction and Fantasy Writers at Work | Ungar | Nonfiction | 147 |
| April 2014 |
|
Dream Makers: The Stairway Press Collected Edition | Stairway Press | Nonfiction | 134 |
| June 2015 |
|
Philip K. Dick, simulacres et illusions | ActuSF | Nonfiction | 271 |
| December 2015 |
|
The Last Interview and Other Conversations | Melville House | Nonfiction | 63 |
| November 2021 |
|
Die Weltenschöpfer Band 1 | Memoranda | Nonfiction | 295 |