Me pēnei te tohu i te whārangi:

Sarah Burgess. Related biographies for 'Earp, Roland Woodroffe', Dictionary of New Zealand Biography, first published in 2022. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/6ef/earp-roland-woodroffe/related-biographies (accessed 16 May 2024)