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

Correspondence between Julian Sorell Huxley and Stanley Reed regarding The Maharajah of Bhavnagar, plans for a new Elephant House at the London Zoological Gardens and a a request for a financial contribution from The Maharajah

Letter from the building contractors Rice and Son, to Julian Sorell Huxley regarding the construction of the new Elephant House

Correspondence between the Royal Institute of British Architects and Julian Sorell Huxley regarding a list of Rice contracts

Letters from David Seth-Smith to Julian Sorell Huxley regarding plans for the proposed new Elephant House and meetings of the Elephant House Committee