Me pēnei te tohu i te whārangi:

J. A. B. Crawford. Related biographies for 'Hughes, John Gethin', Dictionary of New Zealand Biography, first published in 1996. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/3h43/hughes-john-gethin/related-biographies (accessed 14 May 2024)