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From slaves to palm oil : slave trade and palm oil trade in the Bight of Biafra
Jones, Gwilym Iwan, (1989)
The Scots in South Africa : ethnicity, identity, gender and race, 1772-1914
MacKenzie, John M., (2007)
The anatomy of a South African genocide : the extermination of the Cape San peoples
Adhikari, Mohamed, (2011)