| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1979 | 978-0-9614105-0-6 | Barbara Wasson | Sasquatch Apparitions |
| 1989 | 978-0-9614105-1-3 | Barbara Butler | Wildhaunts Reflections on Central Oregon Enchantments |
| 1994 | 978-0-9614105-2-0 | Barbara Wasson | Tracking the Sasquatch: The elusive Pacific Northwest hominoid |