Introduction (The 1973 Annual World's Best SF)
| First published | May 1973 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1973 |
|
The 1973 Annual World's Best SF | DAW Books | Anthology | 7 |
| May 1973 |
|
The 1973 Annual World's Best SF | DAW Books / New American Library of Canada | Anthology | 7 |
| August 1973 |
|
The 1973 Annual World's Best SF | DAW Books / SFBC | Anthology | vii |
| 1974 |
|
The 1973 Annual World's Best SF | Book Club Associates | Anthology | 9 |
| December 1978 |
|
Wollheim's World's Best SF: Series Two | DAW Books | Anthology | 7 |