Letters from William Hillier Onslow to Philip Lutley Sclater regarding whether the Zoological Society of London would like to have a pair of Keas, membership of the Zoological Society, and the preservation of native birds of New Zealand. Also a report on Native New Zealand Birds with a memorandum by Lord Onslow.

Letter from the Curator of The Auckland Zoological Park to George Soper Cansdale regarding an offer of a trio of Keas to the Zoological Society of London

Correspondence between Auckland Zoo and George Soper Cansdale regarding a shipment of Keas to the Zoological Society of London. Also, a paper by the City of Auckland on Conditions of Appointment of Curator, Auckland Zoological Park