Letters from Sir Clement Lloyd Hill to Philip Lutley Sclater regarding the way in which animals and birds were shot down in new countries, and draft reply concerning papers put out by the Zoological Society of London for the protection of birds
Letters from William Henry Hudson to Philip Lutley Sclater regarding cuckoos, shipments of birds to the Smithsonian, Woodpeckers in Argentina, Blackbirds and other birds
Letters from Thomas Henry Huxley to Philip Lutley Sclater asking about available birds for dissection, meetings of the Council of the Zoological Society of London, proofs and woodcuts for a paper, specimens of birds and the Marine Biological Association
Letters from Hugh Childers to Philip Lutley Sclater regarding expeditions by the Admiralty to observe the transit of venus
Letter from Eustace Chaplin to Philip Lutley Sclater to cancel the subscription to the Zoological Society of London
Letter from John Colam of the Royal Society for the Prevention of Cruelty to Animals, to Philip Lutley Sclater regarding the serpent feeding in the reptile house being a healthy amusement for children and young persons
Letters from Thomas George Baring to Philip Lutley Sclater regarding the Zoological Gardens at Calcutta
Letters from Frank Evers Beddard to Philip Lutley Sclater regarding the cause of death of a giraffe in the Zoo, his appointment as Vice-Secretary, meetings of the flower memorial committee, the death of a calf of Sanger's elephant, the death of the Nasalis larvatus, the purchase of a Langur, a collection of plants, and his position as Prosector
Letter from George Stewardson Brady to Philip Lutley Sclater regarding contributions to the Proceedings of the Zoological Society of London
Letters from Alfred Edmund Brehm to Philip Lutley Sclater