Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 4, pages 31-36

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 4, pages 1-15

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 4, pages 16-30

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 4, pages 37-53

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 21-32

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 72-88

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 33-38

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 89-94

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 39-61

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 95-97

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 15-20

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1919, in volume 5, pages 62-71