Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 5, pages 1-14

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, pages 21-22

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, pages 33-34

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, pages 71-74

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, pages 105-107

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 5-20

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 23-26

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 27-32

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 35-36

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 37-40

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 41-46

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1920, in volume 6, issue 1, pages 47-58