J. J. Greengrass
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| September 1953 | 124|124.1 | Essay | Letter (Nebula Science Fiction, Number 5) | Nebula Science Fiction, Number 5 |
| August 1954 | 124|124.3 | Essay | Letter (Nebula Science Fiction, Number 9) | Nebula Science Fiction, Number 9 |