Correspondence between Hans Heck and Julian Sorell Huxley regarding the construction of a new Elephant House at the Zoological Society of London
Correspondence between Albert Pam and Julian Sorell Huxley regarding plans for the new Elephant House and meetings of the Lay-Out Committee
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
Correspondence between Julian Sorell Huxley and Achille Urbain of the Parc Zoologique de Vincennes in Paris, regarding the construction of the new Elephant House at London Zoo
Correspondence between London Zoo and Whipsnade Zoo
Correspondence between the Zoological Society of London and Strand Film Company. Also a progress report on zoo films and an agreement
Correspondence regarding Zoo Time and the Zoological Society of London
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
Letters from Arthur Cates to Philip Lutley Sclater regarding the proposed Regent's Canal Railway
Letter from Edmund B d'Auvergne to Philip Lutley Sclater regarding the feeding of live animals to snakes in the Reptile House