Published in Bothalia, in 1922, in volume 1, pages 5-32

Published in Bothalia, in 1922, in volume 1, pages 33-38

Published in Bothalia, in 1922, in volume 1, pages 40-56

Published in Bothalia, in 1922, in volume 1, pages 57-58

Published in Bothalia, in 1922, in volume 1, pages 65-82

Published in Bothalia, in 1922, in volume 1, pages 83-86

Published in Bothalia, in 1922, in volume 1, pages 87-96

Published in Bothalia, in 1922, in volume 1, pages 97-104

Published in Bothalia, in 1922, in volume 1, pages 105-109

Published in Bothalia, in 1922, in volume 1, pages 113-138

Published in Bothalia, in 1922, in volume 1, pages 139-169

Published in Bothalia, in 1922, in volume 1, pages 170-178

Published in Bothalia, in 1922, in volume 1, pages 179-186

Published in Bothalia, in 1922, in volume 1, issue 3, pages 187-193