Me pēnei te tohu i te whārangi:
Diana Beaglehole. Related biographies for 'Gibbons, Hopeful', Dictionary of New Zealand Biography, first published in 1996. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/3g5/gibbons-hopeful/related-biographies (accessed 29 March 2024)