Letter (Analog, February 1971)
| First published | February 1971 |
|---|---|
| Type | Essay |
| Series | Letters: L. Sprague de Camp |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1971 |
|
Analog Science Fiction/Science Fact, February 1971 | Condé Nast | MAGAZINE | 170|170.1 |