Architecture award from The Royal Institute of British Architects London Region for the Elephant and Rhinoceros Pavilion. Designed by Casson, Conder and Partners for ZSL

Plans and drawings of the Baikal Seal Pond at ZSL London Zoo

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

Letters from Gambier Bolton to Philip Lutley Sclater regarding alterations and additions to the gardens of the Zoological Society of London due to the decline in visitors

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

Paper relating to the Carnivore Complex at ZSL London Zoo, including correspondence, estimates and meeting minutes

Papers regarding the Casson Footbridge

Correspondence and estimates regarding the Casson Footbridge