British South Africa by Colin Turing Campbell, Juta & Co, 1897

A possibly useful book to be found among those in the Internet Archive is:

British South Africa by Colin Turing Campbell, Juta & Co, 11897

A History of the Colony of the Cape of Good Hope from the Conquest 1795 to the Settlement of Albany by the British Emigration of 1819 [A.D. 1795 - A.D. 1825]

With notices of some of the British Settlers of 1820

and A list of the Settler parties of 1820 ship by ship