Letter from Jerrard Tickell to Julian Sorell Huxley regarding a visit by a group of visitors to the Lion House
Letter from Joseph Mary Thouveau. Bishop of Sebastopol, to Philip Lutley Sclater regarding Lady Amherst's Pheasant
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 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
Letter from D M Thomson to a Mr Smith providing testimonials of a gardener for the Zoological Society of London
Letter from D Thomson to Philip Lutley Sclater to recommend a gardener for the Zoological Society of London
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
Letters from William Thompson to David William Mitchell regarding statements of accounts of the Zoological Society of London
Correspondence between James Thompson, Head Keeper at London Zoo, and David William Mitchell regarding the expense to carry out the experiment of rearing mammals and birds in the Hill Country for transmission to Enland, and the transmission of a collection of Himalayan pheasants to the Zoological Society of London
Letters from James Thompson to Philip Lutley Sclater regarding the purchase of items for an expedition to India