Letters from Robert Hesketh to David William Mitchell regarding an estimate of work done to animal houses and enclosures at the Zoological Society of London, including the Terrance Dens and the Hippopotamus House
Correspondence between Hamet Saffi Canaana, the Keeper of Obaysch, and David William Mitchell regarding his service at the Zoological Society of London, with receipts
Correspondence between G Fitzgerald-Lee and George Soper Cansdale regarding the Hughes Expedition and an offer to sell a female African Pygmy Hippopotamus to the Zoological Society of London
Letters from Sir Frederick William Adolphus Bruce to David William Mitchell regarding the gift of a female hippopotamus from Egypt for the Zoological Society of London
Correspondence between the Zoological Garden in Alipore and Geoffrey Marr Vevers regarding specimens collected by Mr Frost, and a request for Chimpanzees and a Pigmy Hippopotamus
Letter from E H Tong regarding snow drifts at Whipsnade, the arrival of a female Pygmy Hippo presented to The Queen, and a parasite that had been causing trouble in the Grevy's Zebra
Agreement and schedule of conditions of building contract between ZSL and Messrs Wackett Bros. (Demolitions) to carry out the demolition and site clearance of the Hippopotamus House including public areas, annexe to the Giraffe House and entrances
Sem títuloCorrespondence with Martin Charteris regarding a Pygmy Hippopotamus from President Tubman