Letters from Decimus Burton to Edward Turner Bennett regarding his brother's giraffe, the location of the parrot cage, drawings of the museum, the risk of fires, and the meeting of the creditors of the Colosseum
Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map
Papers regarding the new Reptile House in the Gardens of the Zoological Society of London
Memorandum by the Secretary on the development of the Society's property at Whipsnade
Letter to Julian Huxley regarding plans and designs for the Gibbon House
Letter to Major Albert Pam regarding plans and designs for the Gibbon House and a letter from Sandringham
Papers regarding the re-building programme at Regent's Park and the general development of the Gardens
Letter from Julian Sorell Huxley to Jasper Ridley regarding the plans for the new Elephant House and an approach to Lord Howard de Walden regarding a donation towards the construction
Correspondence between Julian Sorell Huxley and Tecton Group regarding the construction of the new Elephant House
Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl