Mary Helm
1 work in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| October 1987 | 188|188.1 | Essay | Letter (Analog, October 1987) | Analog Science Fiction/Science Fact, October 1987 |
1 work in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| October 1987 | 188|188.1 | Essay | Letter (Analog, October 1987) | Analog Science Fiction/Science Fact, October 1987 |