Letters from Charles B Trollope to Philip Lutley Sclater regarding Mr Purdey's lease and the lease of the Zoological Society of London in Hanover Square and rear facing Oxford Street
Letter regarding the management of Aquariums
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 with E H Tong regarding the exchange of Red-breasted Geese, and the measurements of the Elephant called 'Carla' which was being returned to Hanover
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 with Geoffrey Marr Vevers regarding the Zoological Society of London sending a Puff Adder to Tierpark Dahlholzi and the possibility of getting two female Shetland ponies
Letters from Sir William Hamo Thornycroft to Philip Lutley Sclater regarding tickets for admission to the Gardens of the Zoological Society of London in order to make sketches of the animals
Letters from Sir Charles Wyville Thomson to Philip Lutley Sclater regarding entrance to the Gardens of the Zoological Society of London, elections to the Council and his description of a porcupine
Letters from William Thompson to David William Mitchell regarding statements of accounts of the Zoological Society of London