Marshall J. Hayden
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| June 1938 | 150|150.2 | Essay | Letter (Astounding, June 1938): Negative—Energy Electrons=Old "Ether"? | Astounding Science-Fiction, June 1938 |
| June 1939 | 119 | Essay | Letter (Astounding, June 1939): For "Angels" Read "Ideas." | Astounding Science-Fiction, June 1939 |