| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Kola Is Gods Gift: Agricultural Production Export Initiatives & | 978-0-8214-1574-0 (0-8214-1574-3) | 2005 |
| 'Kola is God's Gift': Agricultural Production, Export Initiatives & the Kola Industry in Asante & the Gold Coast c. 1820-1950 | 978-0-8214-1573-3 (0-8214-1573-5) | 2005 |