- Story: Rātana Church – Te Haahi Rātana / The Encyclopedia of New Zealand: https://teara.govt.nz/en/ratana-church-te-haahi-ratana
- Story: Rātana, Tahupōtiki Wiremu – Dictionary of New Zealand Biography: https://teara.govt.nz/en/biographies/3r4/ratana-tahupotiki-wiremu
- Newman, K 2006, Ratana Revisited: An unfinished legacy, Reed Publishing New Zealand Ltd, Auckland