Me pēnei te tohu i te whārangi:

Trish McCormack. Links and sources for 'Adamson, John Angus', Dictionary of New Zealand Biography, first published in 1996. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/3a6/adamson-john-angus/sources (accessed 26 April 2024)