- 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)
- Journals and Correspondence of Louis Fraser: British Vice-Consul to the Kingdom of Dahomey, West Africa, 1851-1852
- The English in West Africa, 1685-1688: The Local Correspondence of the Royal African Company of England 1681-1699, Part 2 (Fontes Historiae Africanae, New Series Sources of African History, 5)
- The Oyo Empire, c.1600-c.1836: A West African Imperialism in the Era of the Atlantic Slave Trade