Me pēnei te tohu i te whārangi:

Wayne Orchiston. Related biographies for 'Gifford, Algernon Charles', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/4g8/gifford-algernon-charles/related-biographies (accessed 28 April 2024)