Letters from Alfred Newton to Philip Lutley Sclater regarding the 'Record', the Royal Society and the Proceedings of the Zoological Society of London
Letter from George Bolland Newton to Philip Lutley Sclater regarding his subscription to the Zoological Society of London
Letter from James Nisbet to Philip Lutley Sclater regarding the proposal for Zoological Gardens of Glasgow
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.
Letter from Louis-Philippe Albert Orléans, Comte de Paris, to Philip Lutley Sclater regarding five young wild boars for the Zoological Society of London
Letter from John Osborne to Philip Lutley Sclater regarding his subscription to the Zoological Society of London
Letter from Sir Francis Philip Cunliffe Owen to Philip Lutley Sclater requesting Sunday tickets for entrance to the Gardens of the Zoological Society of London
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