| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
Future Perfect: American Science Fiction of the Nineteenth Century | Oxford University Press | Anthology | 3 |
| 1968 |
|
Future Perfect: American Science Fiction of the Nineteenth Century | Oxford University Press | Anthology | 3 |
| 1978 |
|
Future Perfect, Revised Edition | Oxford University Press, USA | Anthology | 3 |
| 1978 |
|
Future Perfect, Revised Edition | Oxford University Press | Anthology | 3 |