The Unofficial Spy
| First published | 1911 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Series | Craig Kennedy › Craig Kennedy Stories #23 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1911 | The Poisoned Pen | Harper & Brothers | Collection | ||
| August 1912 |
|
Cosmopolitan Magazine, August 1912 | International Magazine Company | MAGAZINE | 384 |
| 1913 | The Poisoned Pen | Dodd, Mead & Co. | Collection | 252 | |
| October 1999 | The Poisoned Pen | Project Gutenberg | Collection | ||
| November 2012 |
|
The Poisoned Pen | LibriVox | Collection | |9 |