Letters from Joseph Cornely to Philip Lutley Sclater regarding a voyage
Letters from James Kerr to Philip Lutley Sclater regarding the paper his son wrote for the Ibis, and the voyage of the Bolivia to Paraguay
Letter from John Alger to Philip Lutley Sclater ahead of his visit to Australia
Letter from Leopold Charles Maurice Stennett to Philip Lutley Sclater offering to get anything he wished during his trip to South Africa, and thanking him for a recent zoo ticket
Letter from Edward Bourke Ellis to Philip Lutley Sclater offering to bring a few gorillas to England on his return from Africa
Letters from John Samuel Budgett to Philip Lutley Sclater regarding his research on okapis and expeditions to study polypterus
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 Thomas de Grey to Philip Lutley Sclater regarding his expedition down the Rocky Mountains into New Mexico, skeletons of mammals for the Cambridge museum, and a paper on West Indian Microlepidoptera for the Proceedings of the Zoological Society of London
Letters from Sir Thomas Townsend Pears to Philip Lutley Sclater regarding an Abyssinian expedition, during which Mr William Jesse collected about 1250 specimens
Letter from Robert Falcon Scott to Philip Lutley Sclater regarding assistance with the National Antarctic Expedition