The date of the speech is given as 1972 on the title page of the essay as reprinted in The Language of the Night.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1973 |
|
Locus, #140 April 29, 1973 | Dena and Charlie Brown | FANZINE | 3 |
| November 1973 |
|
Algol, #21, November 1973 | Andrew Porter | MAGAZINE | 14 |
| July 1975 |
|
Dreams Must Explain Themselves | Algol Press | Nonfiction | 28 |
| April 1979 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | G. P. Putnam's Sons | Nonfiction | 57 |
| 1980 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | Perigee Books | Nonfiction | 57 |
| January 1982 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | Berkley Books | Nonfiction | 47 |
| March 1985 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | Berkley Books | Nonfiction | 57 |
| 1987 |
|
Dreams Must Explain Themselves | Borgo Press | Nonfiction | 28 |
| August 1989 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | The Women's Press | Nonfiction | 47 |
| May 1992 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | HarperCollins | Nonfiction | 52 |
| June 1993 |
|
The Language of the Night: Essays on Fantasy and Science Fiction | Harper Perennial | Nonfiction | 52 |