Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 0

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 1-27

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 28-35

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 66-75

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 79-97

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 98-112

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 207-208

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 375-384

Published in Transactions of the South African Philosophical Society, in 1903, in volume 14, issue 1, pages 419-423