Published in Proceedings of The Royal Society of Queensland, in 1920, in volume 31, pages 45

Published in Proceedings of the Royal Society of Queensland, in 1920, in volume 31, pages 46-84

Published in Proceedings of the Royal Society of Queensland, in 1920, in volume 31, pages 181-203

Published in Proceedings of The Royal Society of Queensland, in 1920, in volume 32, pages 19-30

Published in Proceedings of the Royal Society of Queensland, in 1920, in volume 32, pages 92-109