- Ouidah: The Social History of a West African Slaving 'Port', 1727-1892
- The Slave Coast of West Africa, 1550 - 1750: The Impact of the Atlantic Slave Trade on an African Society (Oxford Studies in African Affairs)
- The Psychology of the Paranormal
- Consul John Beecroft's Journal of His Mission to Dahomey, 1850
- Horse in West African History