| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Organic Soil Fertility Management | 978-1-931498-28-9 (1-931498-28-8) | 2002 | Steve Gilman |
| Organic Weed Management: A Project of the Northeast Organic Farming Association of Massachusetts | 978-1-931498-29-6 (1-931498-29-6) | 2002 | " |