Me pēnei te tohu i te whārangi:

R. C. J. Stone. Related biographies for 'Cooper, Theophilus', Dictionary of New Zealand Biography, first published in 1996. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/3c30/cooper-theophilus/related-biographies (accessed 24 April 2024)