A Psychological Experiment
| First published | August 1900 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1900 | The Seen and the Unseen | Methuen | Collection | 1 | |
| 1905 | The Seen and the Unseen | Methuen | Collection | 1 | |
| May 1964 |
|
Magazine of Horror, May 1964 | Health Knowledge, Inc. | MAGAZINE | 47 |
| 1980 |
|
The Elephant Man and Other Freaks | Macdonald Futura | Anthology | |
| March 1988 |
|
Gaslit Nightmares | Futura | Anthology | 195 |
| April 1988 |
|
Gaslit Nightmares | Macdonald | Anthology | |
| August 1991 |
|
Elephant Man e altri mostri | Mondadori | Anthology | 55 |
| October 1997 |
|
The Haunted Chair and Other Stories | Ash-Tree Press | Collection | 56 |
| October 2006 |
|
Gaslit Nightmares | Dover Publications | Anthology | 163 |
| April 2007 |
|
The Seen and the Unseen | Valancourt Books | Collection | |1 |
| July 2012 |
|
The Seen and the Unseen | Valancourt Books | Collection | |1 |
| October 2016 |
|
The Valancourt Book of Horror Stories: Volume One | Valancourt Books | Anthology | 49 |
| October 2016 |
|
The Valancourt Book of Horror Stories: Volume One | Valancourt Books | Anthology | |5 |
| October 2016 |
|
The Valancourt Book of Horror Stories | Valancourt Books | Anthology | 49 |
| December 2016 |
|
Great Horror Stories: 101 Chilling Tales | Fall River Press | Anthology | 516 |