A slightly rewritten and updated version of this essay appears as "Afterthoughts" in Three Books of Known Space. The two pieces are not the same.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1975 |
|
Tales of Known Space: The Universe of Larry Niven | Ballantine Books | Collection | 221 |
| August 1975 |
|
Tales of Known Space: The Universe of Larry Niven | Ballantine Books | Collection | 221 |
| November 1975 |
|
Tales of Known Space: The Universe of Larry Niven | Ballantine Books | Collection | 221 |
| November 1976 |
|
Tales of Known Space: The Universe of Larry Niven | Ballantine Books | Collection | 221 |
| January 1978 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| November 1978 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| 1980 |
|
Tales of Known Space | Futura | Collection | 221 |
| January 1981 | Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 | |
| April 1983 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| 1984 |
|
Tales of Known Space | Orbit | Collection | 221 |
| January 1985 |
|
Geschichten aus dem Ringwelt-Universum | Bastei Lübbe | Collection | 286 |
| November 1985 | Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 | |
| October 1987 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| 1988 |
|
Tales of Known Space | Orbit | Collection | 221 |
| February 1989 | Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 | |
| January 1991 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| February 1992 |
|
Tales of Known Space | Orbit | Collection | 221 |
| September 1992 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| September 1992 |
|
Tales of Known Space: The Universe of Larry Niven | Del Rey / Ballantine | Collection | 221 |
| October 2021 |
|
Tales of Known Space: The Universe of Larry Niven | Larry Niven | Collection | |16 |