Letters from George Gulliver to Philip Lutley Sclater regarding his papers and the anatomy of the Hornbill
Letters from Albert Carl Ludwig Gotthilf Gunter to Philip Lutley Sclater regarding his papers for the Proceedings of the Zoological Society of London, Dr Gray's paper on Chilean Deer, Krefft's, discovery of the Ceratodus Fosteri, plates of Swinhoe's snakes, salmonoids, heterodon dorbignyi and euophrys modestus
Letters from Wilhelm Hagenbeck to Philip Lutley Sclater regarding the Zoological Society of London's account, and a request to purchase some lions
Letter from Henry Hargreaves to Philip Lutley Sclater regarding his election as a Fellow of the Zoological Society of London
Letters from Carl Johann Gustav Hartlaub to Philip Lutley Sclater regarding his book on ornithology and other books and collections relating to ornithology
Letter from George James Finch Hatton to Philip Lutley Sclater regarding tickets for entry to the gardens of 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 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
Letter from Edmund William Hunt Holdsworth to Philip Lutley Sclater regarding ornithology