Me pēnei te tohu i te whārangi:

Arthur P. Bates. Related biographies for 'Bettjeman, Agnes Muir', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/4b30/bettjeman-agnes-muir/related-biographies (accessed 1 October 2023)