Letters from James Thompson to Philip Lutley Sclater regarding the purchase of items for an expedition to India
Letters from Sir Charles Wyville Thomson to Philip Lutley Sclater regarding entrance to the Gardens of the Zoological Society of London, elections to the Council and his description of a porcupine
Letter from D Thomson to Philip Lutley Sclater to recommend a gardener for the Zoological Society of London
Letter from D M Thomson to a Mr Smith providing testimonials of a gardener for the Zoological Society of London
Letter from William Thomson, Baron Kelvin, to Philip Lutley Sclater recommending Miss Jackson to be admitted to the Gardens of the Zoological Society of London to paint
Letters from Sir William Hamo Thornycroft to Philip Lutley Sclater regarding tickets for admission to the Gardens of the Zoological Society of London in order to make sketches of the animals
Letter from Joseph Mary Thouveau. Bishop of Sebastopol, to Philip Lutley Sclater regarding Lady Amherst's Pheasant
Letter from Richard Henry Tidswell to Philip Lutley Sclater requesting to see the snakes fed at the Gardens of the Zoological Society of London
Letter from Frederick Treves to Philip Lutley Sclater regarding his resignation from the Fellowship of the Zoological Society of London
Letter from Henry Baker Tristram to Philip Lutley Sclater regarding a visit from Jules Le Bon