Koinei te tuhinga tawhito i tuhia e Ahorangi Alfred Stock i te tau 1926 i tiimata ai te "pakanga tuarua." Ka tae mai ki a maatau mai i te kaitiaki pukapuka me te kaiwhakamaori a Birgit Calhoun o te Whare Wananga o Stanford. http://www.stanford.edu/~bcalhoun/AStock.htm
Tirohia te Tuhinga: Stock Alfred - 1926 - “Te Kino o te Wera Mercury”
