Letters from Abraham Dee Bartlett to Philip Lutley Sclater regarding the doors to the new elephant house, animal food consumption, the female rhinoceros, the mounted specimen of a young gorilla, authorisation to sell Alice the elephant to Mr Barnum, and the theft of an owl

Letter from Robert I Montgomery, Secretary of the Royal Zoological Society of Ireland, to Philip Lutley Sclater regarding the cost of the transit of a rhinoceros

Letters from Frederick Courteney Selous to Philip Lutley Sclater regarding his papers, notes on his egg collecting trip to Asia Minor, admission to the Gardens of the Zoological Society of London, a donation towards the International Congress of Zoology, notes on the red Rhebuck, meetings the Zoological Society of London, the horns of a white rhinoceros, his election as a corresponding member of the Society and accounts of his travels

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)

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

Letter from Julian Sorell Huxley to Henry G Maurice regarding a Rhino and a Giraffe at the Gardens of the Zoological Society of London

Correspondence between Veale & Saunders and the Treasurer of the Zoological Society of London regarding the construction of the new Elephant and Rhinoceros House at London Zoo

Letters from William John Broderip to Edward Turner Bennett regarding the entrance ticket to the Gardens of the Zoological Society of London belonging to Prince Talleyrand, a rhinoceros close to Thames Police Office which could be purchased by the Society, the plan of building at the Park versus a town house, a newspaper report regarding the Zoological Society of London being in treaty with the agent of the Marquess of Anglesea for the purchase of Uxbridge House, and a specimen for the Gardens

Letters from Alexander Miller of the Zoological Gardens regarding a Chinese Pheasant which escaped and had been running in Park Street, Camden Town, an escape from the Dove House, the removal of an oak fence on the southern boundary, the health of a Rhinoceros, the Society's Cashmere Goat, his visit to City Road Basin, the purchase of a Chimpanzee, a visit by the Queen to the Gardens, a stillborn Rhesus Monkey, dimensions of the back of a new den for the Elephant and Rhinoceros, the cost of laying the floor of the Elephant and Rhinoceros House, the death of a Chimpanzee and the return of John Woodbridge with Cranes and Leopards

Letters from John Sabine regarding the housing of the Rhinoceros and Tapir, conversations with Fuller about a larger repository for the greater carnivores, committee meetings of the Zoological Society of London and the dismissal of the head gardener and his recommendation of Morris Burr as his successor