William H. Clark
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| April 1952 | 163 | Essay | Letter (Astounding, April 1952) | Astounding Science Fiction, April 1952 |
| February 1969 | 171 | Essay | Letter (Analog, February 1969) | Analog Science Fiction/Science Fact, February 1969 |