Correspondence between Toronto Zoo and George Soper Cansdale regarding the Lord Chamberlain providing the Zoological Society of London with a pair of King's Swans from the River Thames, which were then sent to Toronto Zoo in exchange for Beavers. Also other exchanges between Toronto Zoo and the Zoological Society of London
Correspondence between E H Tong and George Soper Cansdale regarding matters at Whipsnade, including causes of deaths of animals, animal record cards, the Canadian Department of Mines and Resources, the acquisition of animals, and animals on deposit from Germany
Correspondence between E H Tong and Geoffrey Marr Vevers regarding the offer of the Council of the Zoological Society of London on the appointment of Superintendent at Whipsnade Park
Correspondence between E Thompson and Julian Sorell Huxley regarding Sir Stanley Reed, the Maharaja of Bhavnagar and the construction of the new Elephant House at London Zoo
Letters from S S Tenlon to David William Mitchell regarding the New Pheasantry, a building and enclosure for the aurochs, and for an addition to the Giraffe House at the Zoological Society of London
Correspondence regarding the Television and Film Unit at the Zoological Society of London
Correspondence between Julian Sorell Huxley and Tecton Group regarding the construction of the new Elephant House
Correspondence between the Zoological Society of London and Strand Film Company. Also a progress report on zoo films and an agreement
Correspondence between Howard J Stevens and Geoffrey Marr Vevers regarding the transport of a male Llama, Nylghaie, Dingos and Husky puppies to Whipsnade, and the offer to let J Howard Stevens had a pair of Bear Cubs
Letters from David Seth-Smith to Julian Sorell Huxley regarding plans for the proposed new Elephant House and meetings of the Elephant House Committee