Me pēnei te tohu i te whārangi:

Ronda Cooper. Related biographies for 'Barry, William Jackson', Dictionary of New Zealand Biography, first published in 1990, updated o Hūrae, 2012. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/1b12/barry-william-jackson/related-biographies (accessed 20 April 2024)