Published in Papers and Proceedings of the Royal Society of Tasmania, in 1920, in volume 1919, pages 110-116

Published in Papers And Proceedings of The Royal Society of Tasmania, in 1920, in volume 1919, pages 117-129

Published in Papers and Proceedings of the Royal Society of Tasmania, in 1920, in volume 1919, pages 55-69

Published in Papers And Proceedings of The Royal Society of Tasmania, in 1920, in volume 1920, pages 33-64