Maybe you should ask for this all to be transferred to the New Zealand board?
SOmeone there might have some bright ideas.
TROVE is more for Australian newspapers but does have some others.
NZ has something called Papers Past and Present which I presume is like TROVE.
Even though he jumped ship in NZ, he may not have stayed there. People move between there and Australia quite a lot and have done for a couple of hundred years.
The Australian states each have separate BDMs and they are available to different years for each state. You could check this out at the beginning of the Australian boards.
Dawn M