| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-9629872-0-5 | Judy Osburn | Spectre of Forfeiture |
| 1993 | 978-0-9629872-1-2 | Lynn Osburn | Ecohemp: Economy and Ecology With Hemp |
| 1995 | 978-0-9629872-2-9 | Chris Bennett · Lynn Osburn · Judy Osburn | Green Gold the Tree of Life: Marijuana in Magic & Religion |