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
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
Letters from Regent's Canal Company to Philip Lutley Sclater regarding the draining from the Gardens of the Zoological Society of London into Regent's Canal, and the proposed railway
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
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
Letter from John Colam of the Royal Society for the Prevention of Cruelty to Animals, to Philip Lutley Sclater regarding the serpent feeding in the reptile house being a healthy amusement for children and young persons
Letters from Henry Scherren to Philip Lutley Sclater regarding corrections to the proof of 'Region' and the banning of members of the public during feeding time in the Reptile House
Correspondence between John Spedan Lewis, of the John Lewis Partnership, and Julian Sorell Huxley regarding the design and construction of a new Elephant and Rhinoceros House at the Zoological Society of London