Me pēnei te tohu i te whārangi:

Judy Malone. Related biographies for 'Seifert, Alfred', Dictionary of New Zealand Biography, first published in 1996, updated o Noema, 2010. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/3s10/seifert-alfred/related-biographies (accessed 20 April 2024)