Letters from Joseph Henry of the Smithsonian Institute, to Philip Lutley Sclater regarding botanical specimens from the Zoological Society of London and specimens of South American birds to be named and described for the Smithsonian Institute
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 Sir Joseph Dalton Hooker to Philip Lutley Sclater regarding collections of birds and botany
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 Sir Harry Hamilton Johnston to Philip Lutley Sclater regarding posts open at the Foreign Office for the consular department, the Kilimanjaro Expedition, papers on birds, mammals and insects from Kilimanjaro, medals to be awarded for services to zoology, animals and specimens sent by Mr Johnston to the Zoological Society of London, drawings of animals, a visit to the gardens of the Zoological Society of London by the Katikiro of Uganda and his party, and his election as a member of the Council and attendance at meetings, and the Zoological Club
Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers
Correspondence between Richard M Lockley of The Pembrokeshire Bird Protection Society and Julian Sorell Huxley requesting permission to nominate Huxley as Vice-President
Letters from Clements Robert Markham, Secretary of the Royal Geographical Society, to Philip Lutley Sclater regarding permission for his cousin to take photographs in the gardens of the Zoological Society of London, a request to review Eastern Persia for the Geographical Magazine, Sclater's membership of the Geographical Society, a representation to the government with a view to the exploration of the North Pole region, the Spitsbergen bird, and an order for his wife and himself to see their dogs at the gardens
Letters from the Zoological Society of London to the Ministry of Food regarding requirements of fish for the feeding of the sea-lions and fish-eating birds