Report on elephant enclosures, temperatures in various houses such as antelope and cattle sheds, possible overcrowding in bears' enclosures, inmates of cattle and deer sheds, the health of otters and coypus, numbers in the bird house and aviaries, bird house temperatures and the Three Island Pond

David Seth Smith attended, as delegate of the Zoological Society and the Society for the Preservation of the Fauna of the Empire, the Meeting of the European Continental Section of the International Committee for Bird Preservation held in Vienna

Two lists: birds and quadrupeds, 29 April 1851 to 29 April 1852. Signed by James Hunt, Head Keeper

Letter from Edward Roche to Philip Lutley Sclater regarding birds and other animals being delivered, such as black necked swans, pheasants and antelope

Correspondence between D A Ross and Geoffrey Marr Vevers regarding an offer of birds from Iraq to the Zoological Society of London

Letters from Lionel Walter Rothschild, 2nd Baron Rothschild, to Philip Lutley Sclater regarding an expedition to the Sandwich Islands, papers on birds of the Sandwich Islands, drawings of a Rail, ornithological exhibitions, the sale of a rhinoceros, his drawing of a rhinoceros to be published in the Proceedings of the Zoological Society of London, his Cassowaries at Tring, a transfer of Tragelaphus, Galapagos Tortoises, Eclectus Parrots, Lemurs and Zebras

Correspondence between the Royal Society for the Protection of Birds and Geoffrey Marr Vevers regarding the capture of nestling Blackbirds by the Zoological Society of London for export to a Canadian scientist, the Wild Birds Protection Order for Bedfordshire, Sutherland and Argyllshire

Correspondence between the Royal Society for the Prevention of Cruelty to Animals and Geoffrey Marr Vevers regarding a representative of the RSPCA interviewing Webb and Tanner of the Zoological Society of London about a consignment of animals and birds that arrived at Regent's Park from East Africa

Letters from Edmund Ruppell, a German citizen from Frankfort, giving appreciation for receipt of his diploma as a foreign member of the Zoological Society of London, Proceedings of the Zoological Society of London, comments on his discoveries such as a new variety of Gasteropod, a list of mammals and birds 'our museum wishes to get from England' receipt of the 1934 Proceedings, the first volume of museum catalogue, and his wish to complete the exchange

Correspondence with Peter Scott of The Severn Wildfowl Trust regarding Whoopers for the Princess Royal, a Hawaiian duck, a Black Swan from Sir Winston, an exchange of ducks, methods of preventing birds' flight, Greylag Geese, the Scientific Advisory Committee of The Severn Wildfowl Trust, a Brazilian Teal duck brought by Gerald Durrell, tickets for admission to London Zoo and labels