Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map

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

Proposal for a new Aquarium and coral reef at London Zoo

Minutes of the Layout Committee

Correspondence with the Architect's Department regarding Zoo buildings

General correspondence and papers regarding the New Zoo