Letters from R W Roulston to Philip Lutley Sclater regarding antelopes and gorillas in south west Africa
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 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 George John Romanes to Philip Lutley Sclater regarding research into whether mutilations are ever inherited and Weismann's theory of heredity
Letters from George Frederick Samuel Robinson, 1st Marquess of Ripon, to Philip Lutley Sclater regarding Japanese deer for sale at the Zoological Society of London, and a deputation of Swazi Chiefs who would like to visit the Gardens of the Zoological Society of London
Letters from Briton Riviere to Philip Lutley Sclater regarding recommendations for Fellowship of the Zoological Society of London, requests for student tickets, entrance for artists to the Gardens of the Zoological Society of London
Letters from Warwick Reynolds to Philip Lutley Sclater regarding tickets for admission to the Gardens of the Zoological Society of London
Copies of correspondence between Mr Reynold's and Philip Lutley Sclater regarding his wife's claim for damages following a giraffe spitting milk, or milk-like fluid, on her jacket
Letters from Thomas Mayne Reid to Philip Lutley Sclater regarding his sale of Jacob Sheep and books or papers about British birds
Letters from C Reiche to Philip Lutley Sclater regarding the transportation of a sealion and a pair of ostriches to the Zoological Society of London