| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Seeds and Survival: Crop Genetic Resources in War and Reconstruction in Africa | 978-92-9O43-349-1 (92-9O43-349-3) | 1997 |
G. P. · G. R. Richards · G. Richards · P R · P. Richards · Paul R. · Paul Richards · R. P. · R.P. Richards · R. Paul · R.R. · R. Richards