Floyd W. Zwicky
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| March 1956 | 110 | Essay | Letter (Nebula Science Fiction, Number 16) | Nebula Science Fiction, Number 16 |
| October 1956 | 118|118.2 | Essay | Letter (If, October 1956) | If, October 1956 |