| Roberts, Thomas Barclay 1728—1793: Consul in France, Diplomat in Barbary, Lehigh University Press, 2008, pp | Louis Cardaillac, Morisques et Protestants, Al-Andalus, Vol |
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| Jeff Grabmeier 8 March 2004 |
Based on "records for 27,233 voyages that set out to obtain slaves for the Americas".
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