| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1980 | 978-0-917352-08-9 | Ken Butti and John Perlin | Golden Thread: Twentyfive Hundred Years of Solar Architecture and Technology |
| 1982 | 978-0-917352-09-6 | Murray Bookchin | Ecology of Freedom: The Emergence and Dissolution of Hierarchy |