David Cowles
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| May 1956 | 152|152.2 | Essay | Letter (Astounding, May 1956) | Astounding Science Fiction, May 1956 |
| October 1956 | 122|122.1 | Essay | Letter (Astounding Science Fiction, October 1956) | Astounding Science Fiction, October 1956 |