Being an Examination of the Ponsian and Holmesian Secret Deductive Systems
| First published | May 1976 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1976 |
|
The Best of A. E. van Vogt | Pocket Books | Collection | 146 |
| July 1976 |
|
The Best of A. E. van Vogt | Pocket Books | Collection | 146 |