Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 1-98

Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 99-121

Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 125-193

Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 193-291

Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 403-495

Published in Transactions of the South African Philosophical Society, in 1892, in volume 7, issue 1-2, pages 496-601