HarperCollins · University of Washington Press
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Indian petroglyphs of the Pacific Northwest | 978-0-295-95412-7 (0-295-95412-4) | 1975 | Beth Hill |
| The Other Face of Terror | 978-0-586-06935-6 (0-586-06935-6) | 1988 | Andrew Bell |
Dr. Michael Ray Hill · Michael Ray Hill · R. H. · R. Hill · Ray G. Hill · Ray H.