Law published many scholarly books and research articles on Africa, including:[2][5]
The Oyo Empire, c. 1600–c. 1836: A West African Imperialism in the Era of the Atlantic Slave Trade. Oxford: Clarendon Press, 1977. Oxford Studies in African Affairs.[6]
The horse in West African history : the role of the horse in the societies of pre-colonial West Africa, Oxford: Oxford University Press for the International Africa Institute, 1980.[7] New edition London : Routledge, 2020.
The slave coast of West Africa, 1550-1750 : the impact of the Atlantic slave trade on an African society, Oxford : Clarendon Press ; New York : Oxford University Press, 1991, 2002.[8][9]
The English in West Africa, 1685-1688 : the local correspondence of the Royal African Company of England, 1681-1699, by Law, Robin, Ed., Oxford : Published for the British Academy by Oxford University Press, Part 1 and 2 (1681-1688); Part 1: 1997, Part 2: 2001, Part 3 (1691-1699): 2007. Fontes historiae Africanae, new series 5.[10]
Ouidah : The Social History of a West African Slaving Port 1727-1892, Athens: Ohio, Ohio University Press, 2004.[11] Suffolk : Boydell & Brewer, 2017.
Dahomey and the ending of the trans-Atlantic slave trade : the journals and correspondence of Vice-Consul Louis Fraser, 1851-1852. Oxford : Published for the British Academy by Oxford University Press, 2012. Series: Fontes historiae Africanae, new series 10.