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
Notebook of manuscript copies of printed papers by Hodgson, 1848; letter from Darjeeling, 1847(?); letter to the editor of the Sporting Magazine, 1846
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
Letter from Octavius Pickard Cambridge to Philip Lutley Sclater requesting to include a paper in the Proceedings of the Zoological Society of London
Letter from Benjamin Clarke to Philip Lutley Sclater regarding publications of the Zoological Society of London
Letter from George Stewardson Brady to Philip Lutley Sclater regarding contributions to the Proceedings of the Zoological Society of London
Letter from Thomas Davidson to Philip Lutley Sclater regarding his paper on recent Japanese species of Brachiopoda
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis