The Powers of Observation
| First published | September 1968 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1968 |
|
Analog Science Fiction -> Science Fact, September 1968 | Condé Nast | MAGAZINE | 64 |
| July 1970 |
|
Prime Number | Berkley Medallion | Collection | 28 |
| 1971 |
|
Analog 8 | Doubleday | Anthology | 143 |
| June 1972 |
|
Primzahl | Goldmann | Collection | 26 |
| 1975 |
|
Prime Number | Sphere | Collection | 28 |
| 1976 |
|
Analog 8 | Dennis Dobson | Anthology | 143 |
| 1978 |
|
Prime Number | Sphere Books | Collection | 28 |
| October 1978 |
|
Primzahl | Goldmann | Collection | 26 |
| 1983 |
|
Prime Number | Sphere | Collection | 28 |
| July 1985 |
|
Analog: The Best of Science Fiction | Galahad Books | Anthology | 529 |
| July 1986 |
|
Tin Stars | Signet / New American Library | Anthology | 214 |
| February 1987 |
|
Prime Number | Sphere | Collection |