Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 1-16

Created: 2016-04-30, modified: 2016-04-30

Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 17-30

Created: 2016-04-30, modified: 2016-04-30

Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 31-38

Created: 2016-04-30, modified: 2016-04-30

Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 39-43

Created: 2016-04-30, modified: 2016-04-30

Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 1, pages 44-51

Created: 2016-04-30, modified: 2016-04-30

Published in Transactions of the South African Philosophical Society, in 1889, in volume 6, issue 2, pages 95-135

Created: 2016-04-30, modified: 2016-04-30