Me pēnei te tohu i te whārangi:

Joanne Drayton. Related biographies for 'Collier, Edith Marion', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/4c25/collier-edith-marion/related-biographies (accessed 13 May 2024)