Letters from Carl Hagenbeck to Philip Lutley Sclater regarding his catalogue of animals for sale to the Zoological Society of London, and an order from the British government for the supply of dromedaries
Letters from Wilhelm Hagenbeck to Philip Lutley Sclater regarding the Zoological Society of London's account, and a request to purchase some lions
Letters from Carl Johann Gustav Hartlaub to Philip Lutley Sclater regarding his book on ornithology and other books and collections relating to ornithology
Letters from John Hassard to Philip Lutley Sclater regarding the fountain which Miss Burdett Coutts promised to give to the Zoological Society of London
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 Arthur Herbert to Philip Lutley Sclater regarding the collections of Graham Kerr left on board the Bolivia
Letters from Higginson and Vigors to Philip Lutley Sclater regarding the proposed Regent's Canal Railway
Letters from Berkeley Hill to Philip Lutley Sclater regarding a report of the Council of the Zoological Society of London and requesting changes in the bylaws as regards sales and special general meetings
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 Thomas Hillier to Philip Lutley Sclater regarding complaints made about the nuisance arising from the drainage of the gardens of the Zoological Society of London into Regent's Canal