Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 1-24
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 25-40
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 41-44
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 45-56
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 57-70
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 71-74
Published in Journal of The Royal Society of Western Australia, in 1930, in volume 16, pages 75-85
Published in Journal of the Royal Society of Western Australia, in 1930, in volume 25, pages 197-205