On the Brink of 2000
| First published | January 1910 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
| Series | Professor Fleckner |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 1910 |
|
The Argosy, January 1910 | The Frank A. Munsey Company | MAGAZINE | 193 |
| January 1940 |
|
Famous Fantastic Mysteries, January 1940 | The Frank A. Munsey Company | MAGAZINE | 6 |