Introduction: Yesterday, Tomorrow, and Maybe
L. Sprague de Camp & Catherine Crook de Camp
| First published | 1973 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1973 |
|
Tales Beyond Time: From Fantasy to Science Fiction | Lothrop, Lee & Shepard | Anthology | 7 |
| 1974 |
|
Tales Beyond Time: From Fantasy to Science Fiction | G. K. Hall & Co. | Anthology |