Letter (Analog, February 1990)
| First published | February 1990 |
|---|---|
| Type | Essay |
| Series | Letters: L. Sprague de Camp |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1990 |
|
Analog Science Fiction and Fact, February 1990 | Davis Publications | MAGAZINE | 188|188.1 |