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The illegal trade in slaves from German Northern Cameroon to British Northern Nigeria
Weiss, Holger, (2001)
Europe's long history of extracting African renewable energy : contexts for African scientists, technologists, innovators and policy-makers
Showers, Kate B., (2014)
Sweet business : quantifying the value added in the British colonial sugar trade in the 18th century
Rönnbäck, Klas, (2014)