| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Perennial Plants for Profit or Pleasure | 978-0-916781-20-0 (0-916781-20-8) | 2000 | Francis Jozwik PhD |
| Perennial Plants for Profit or Pleasure: How to Grow Perennial Flowers and Herbs for Profit or Personal Landscape Use | 978-0-916781-04-0 (0-916781-04-6) | 2000 | |