Published in Journal Royal Society of Western Australia, in 1969, in volume 52, pages 41-58

Published in Journal of the Royal Society of Western Australia, in 1969, in volume 52, pages 109-118

Published in Journal of the Royal Society of Western Australia, in 1969, in volume 52, pages 119-128

Published in Journal of the Royal Society of Western Australia, in 1969, in volume 52, issue 1, pages 1-2

Published in Journal Royal Society of Western Australia, in 1969, in volume 52, issue 1, pages 3-8

Published in Journal of the Royal Society of Western Australia, in 1969, in volume 52, issue 1, pages 9-11

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 1, pages 12-17

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 1, pages 18-29

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 2, pages 33-40

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 2, pages 59-64

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 3, pages 65-88

Published in Journal of The Royal Society of Western Australia, in 1969, in volume 52, issue 3, pages 89-96

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1969, in volume 52, issue 4, pages 97-108