Me pēnei te tohu i te whārangi:

J. A. B. Crawford. Related biographies for 'Upham, Charles Hazlitt', Dictionary of New Zealand Biography, first published in 2000. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5u2/upham-charles-hazlitt/related-biographies (accessed 26 April 2024)