Me pēnei te tohu i te whārangi:

Michael Fallow. Related biographies for 'Stapp, Frank Howard Nelson', Dictionary of New Zealand Biography, first published in 2000. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5s40/stapp-frank-howard-nelson/related-biographies (accessed 26 April 2024)