Letters from William Nation to Philip Lutley Sclater regarding his discoveries
Letters from John Trivett Nettleship to Philip Lutley Sclater regarding admission to the Gardens of the Zoological Society of London, a recommendation for Miss Mary Irene Stoddard to receive a student ticket for admission, and a letter to Professor Flower regarding his proposed election as Fellow
Letters from Alfred Newton to Philip Lutley Sclater regarding the 'Record', the Royal Society and the Proceedings of the Zoological Society of London
Letters from North Metropolitan Railway and Canal Co. to Philip Lutley Sclater regarding drainage from the Gardens of the Zoological Society of London into Regent's Canal
Letters from William Hillier Onslow to Philip Lutley Sclater regarding whether the Zoological Society of London would like to have a pair of Keas, membership of the Zoological Society, and the preservation of native birds of New Zealand. Also a report on Native New Zealand Birds with a memorandum by Lord Onslow.
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
Letters from Lord Alfred Henry Paget to Philip Lutley Sclater regarding visits to the Zoological Society of London
Letters from Sir Francis John Pakenham to Philip Lutley Sclater regarding the Picomayo expedition and Mr Kerr's collection
Correspondence between G North Peal and Philip Lutley Sclater regarding the death of the previous Secretary of the Zoological Society of London, David William Mitchell
Letters from Sir Thomas Townsend Pears to Philip Lutley Sclater regarding an Abyssinian expedition, during which Mr William Jesse collected about 1250 specimens