* Junius P. Rodriguez, ed. ''The Historical Encyclopedia of World Slavery'' (2 Vol. 1997)
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* Finkelman, Paul. and Joseph C. Miller, eds. ''Macmillan Encyclopedia of World Slavery'' (1999)
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* Paul Finkelman and Joseph C. Miller, eds. ''Macmillan Encyclopedia of World Slavery'' (1999)
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* Morgan, Kenneth. ''Slavery and the British Empire: From Africa to America'' (2008) [http://www.amazon.com/Slavery-British-Empire-Africa-America/dp/0192892916/ref=sr_1_5?ie=UTF8&s=books&qid=1241544745&sr=1-5 excerpt and text search]
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* Rodriguez, ed. Junius P. ''The Historical Encyclopedia of World Slavery'' (2 Vol. 1997)