Sorry, this link might be broken.
https://www.australianbookreview.com.au/abr-online/archive/2009/135-april-2009-no-310/11289-the-man-who-kept-his-hat-on-the-novels-of-banjo-paterson-by-adrian-mitchell
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