Letters from Carl Jacob Sundevall, Director of the Royal Museum Stockholm, to Philip Lutley Sclater regarding specimens found in the Museum such as Galapagos birds
Letters from George O Starr to Philip Lutley Sclater regarding a pair of yaks sent by the Zoological Society of London for The Barnum and Bailey Greatest Show on Earth
Letters from Henry Edward John Stanley, 3rd Baron of Alderly, to Philip Lutley Sclater regarding the wool of mouflon lambs and bulls from the Zoological Society of London
Letters from St Marylebone Vestry to Philip Lutley Sclater regarding the drainage of the Gardens of the Zoological Society of London
Letters from Spenser St John to Philip Lutley Sclater regarding P T Barnum exhibiting an elephant at the Zoological Society of London
Letters from Spiers & Pond Ltd. to Philip Lutley Sclater regarding an agreement as to the new lavatory in the Society's gardens
Letters from John Hanning Speke to Philip Lutley Sclater regarding animals found in Tibet
Letters from William Sowerby, Secretary of the Royal Botanic Gardens, to Philip Lutley Sclater requesting a list of the council and officers of the Zoological Society of London
Letters from George Brettingham Sowerby to Philip Lutley Sclater regarding descriptions of new shells, a request to use two plates and a valuation of Mr Cummings' collection of shells