1 2 Barry, Boubacar, Senegambia and the Atlantic Slave Trade, (Editors: David Anderson, Carolyn Brown; trans. Ayi Kwei Armah; contributors: David Anderson, American Council of Learned Societies, Carolyn Brown, University of Michigan. Digital Library Production Service, Christopher Clapham, Michael Gomez, Patrick Manning, David Robinson, Leonardo A. Villalon), Cambridge University Press (1998) p. 5, ISBN9780521592260 (Retrieved 15 March 2019)
