The following links and resources may be of interest.
Please let us know of any more that would be worthwhile to add.
New Zealand Army Website
Royal Tank Regiment Association
1st Armoured Regiment Association RAAC
3rd and 4 Cavalry Regiments Association RAAC
NZMR Association: www.nzmr.org
QAMR Facebook: https://www.facebook.com/QAMR1864
Mounted Trooper Association https://www.facebook.com/search/top/?q=the%20mounted%20trooper%20-%20royal%20new%20zealand%20armoured%20corps