Me pēnei te tohu i te whārangi:

Pat Irene Winton. Related biographies for 'Hewlett, Hilda Beatrice', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/4h30/hewlett-hilda-beatrice/related-biographies (accessed 27 April 2024)