Dr. Howard Mark
3 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| March 1986 | 188|188.2 | Essay | Letter (Analog, March 1986) | Analog Science Fiction/Science Fact, March 1986 |
| April 1987 | 188|188.2 | Essay | Letter (Analog, April 1987) | Analog Science Fiction/Science Fact, April 1987 |
| June 1991 | 187|187.2 | Essay | Letter (Analog, June 1991) | Analog Science Fiction and Fact, June 1991 |