Letters from Sir Henry Keppel to Philip Lutley Sclater regarding the localities of the animals he sent to the gardens of the Zoological Society of London, and giving thanks for a card of admission to the gardens
Letters from James Kerr to Philip Lutley Sclater regarding the paper his son wrote for the Ibis, and the voyage of the Bolivia to Paraguay
Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers
Letters from Johann Ludwig Gerhard Krefft of the Australian Museum in Sydney, to Philip Lutley Sclater
Letters from Sir Edwin Ray Lankester to Philip Lutley Sclater regarding a house for tropical apes in the gardens of the Zoological Society of London, P T Barnum, and papers on okapi
Letters from Henry Lawson to Philip Lutley Sclater requesting a list of the animals at the gardens of the Zoological Society of London
Letters from Sir Joseph Norman Lockyer to Philip Lutley Sclater regarding a paper by his friend Hemmings which required a signature, and articles to be published
Letters from Robert A Mitchell to Philip Lutley Sclater regarding committee meetings of the Zoological Society of London and the settlement of his late brother's affairs and a claim by the Zoological Society
Letters from Morris & Co. to Philip Lutley Sclater regarding a payment due to the estate of Francis Picket
Letters from James Murie to Philip Lutley Sclater regarding the death of a giraffe from mouth disease, his monograph on Otaria, and his memoirs on the walrus, kagu, hyaena, pilot whale, otaria and manatee