Letter from Edward Roche to Philip Lutley Sclater regarding birds and other animals being delivered, such as black necked swans, pheasants and antelope
Letters from George John Romanes to Philip Lutley Sclater regarding research into whether mutilations are ever inherited and Weismann's theory of heredity
Letter from Alfred Charles de Rothschild to Philip Lutley Sclater requesting Sunday tickets for the Gardens of the Zoological Society of London
Letter from Antony Nathan de Rothschild to Philip Lutley Sclater regarding Prince Troubetzkoy who wished to visit the Gardens of the Zoological Society of London to examine various kinds of pheasants
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
Letters from Nathaniel Charles Rothschild to Philip Lutley Sclater requesting larvae of Biston Hirtaria and a live marten caught in Wales to be deposited at the Zoological Society of London
Letters from R W Roulston to Philip Lutley Sclater regarding antelopes and gorillas in south west Africa
Letters from George Dawson Rowley to Philip Lutley Sclater regarding illustrations for the Transactions the Zoological Society of London and the habitat of the Plover
Letter from Harry Rowntree to Philip Lutley Sclater regarding a student ticket for the Gardens of the Zoological Society of London
Letter from the Royal Irish Academy to the Right Hon. Earl Granville, Her Majesty's Principal Secretary of State for Foreign Affairs, regarding the potential loss of collections held in Paris