More links and websites
More suggestions and sources
Cryer, Max. Hear our voices we entreat: the extraordinary story of New Zealand’s national anthems. Auckland: Exisle Publishing, 2004.
Heenan, Ashley. God defend New Zealand: a history of the national anthem. Christchurch: School of Music, University of Canterbury, 2004.
Keane, Basil. ‘Aotearoa and E te Atua tohungia te kuini: a history of the Māori translations of New Zealand’s anthems.’ Te Pouhere Kōrero 5 (2011): 47–66.