| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Buckwheat - Fagopyrum Esculentus Moench | 978-92-9043-345-3 (92-9043-345-0) | 1997 |
| Grass Pea - Lathyrus Sativus L. | 978-92-9043-341-5 (92-9043-341-8) | 1997 |
C C · C. Campbell · C. G. · C.G. Campbell · Clayton Campbell · G. C. · G. Campbell