I don't think you'll find a link. Despite much searching for the same, I eventually gave up in frustration.
However, I have copies courtesy of those two fine chaps, Zuff and Owain Glyndwr. Indeed, the former's copy has names on the cover which provide a history of performance and flight test Who's Who (or, perhaps, was) in the Australian Regulator over many years.
When I get my head above the present waters in which I am swimming, I shall scan a copy and it will be available. I can't imagine that ICAO would be too concerned about copyright 70 years on ?
Sitting down with the book is a bit like sitting at one's great-grandfather's knee as a small child to be told the family history in some detail ...