G.L. · G. T. · Gregory L.
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| All You Ever Wanted to Know About Herbs for Pets | 978-1-889540-46-7 | 1999 | Mary Wulff-Tilford |
| Edible & Medicinal Plants of West | 978-0-87842-359-0 | 1997 | |
| From Earth to Herbalist: An Earth-Conscious Guide to Medicinal Plants | 978-0-87842-372-9 | 1998 | |
| Herbs for Pets: All You Ever Wanted To Know | 978-1-889540-64-1 | 2001 | |