John Gregor
3 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| July 1936 | 158|158.3 | Essay | Letter (Astounding Stories, July 1936): Now—and Then—100% Up! | Astounding Stories, July 1936 |
| October 1936 | 141 | Essay | Letter (Amazing Stories, October 1936) | Amazing Stories, October 1936 |
| August 1937 | 142 | Essay | Letter (Amazing Stories, August 1937) | Amazing Stories, August 1937 |