Letter from Regent's Canal Company to David William Mitchell regarding the fence on the south side of the Gardens of 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

Letter from Mrs E E Mappin regarding the estate of John Newton Mappin and authorising the payment for completing the work on the Mappin Terraces at the Zoological Gardens

Correspondence between Burnet, Tait and Lorne and Julian Sorell Huxley regarding proposed new elephant and rhinoceros houses and paddocks at the Zoological Society of London, and the proposed Tusker Elephant House at Whipsnade Zoo. Also minutes of the Whipsnade Committee 9th December 1936, and an extract from a memo on accommodation for catering staff at Whipsnade (known then as the House of Pleasant Bread)

Letters from Kenneth Clark of the National Gallery, to Julian Sorell Huxley regarding John Driberg and Lubetkin's plans for the Elephant House at the the Zoological Society of London

Correspondence between Hans Heck and Julian Sorell Huxley regarding the construction of a new Elephant House at the Zoological Society of London

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

Correspondence between J W Milne and Julian Sorell Huxley regarding the financing of the construction of a new Elephant House, and a donation from Lord Leverhulme

Letter from Julian Sorell Huxley to Evan Morgan, 2nd Viscount Tredegar, regarding donations towards the construction of the 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