Sorry, this link might be broken.
http://nla.gov.au/nla.arc-33934-20100504-1407-www.landscapeandlanguagecentre.au.com/hydrobotanica/Hydrobotanica_Ryan_Inside%20a%20Jarrah.pdf
The website may no longer be active, or the URL of the page may have changed.
It is possible that either https://archive.org/web or http://pandora.nla.gov.au have archived this content.
Thank you.
Source : Woods, Barbara. The Adventurous Koalas.
J. T. Picken, 1944