Letters from John Hanning Speke to Philip Lutley Sclater regarding animals found in Tibet
Correspondence with Tom Spence regarding tentomy as a means of preventing flight in waterfowl, and the exchange of Shelducks
Letters, newspaper clippings and will of Herbert Spencer. The Zoological Society of London was one of 12 scientific societies which were beneficiaries of his estate
Letters from Spiers & Pond Ltd. to Philip Lutley Sclater regarding an agreement as to the new lavatory in the Society's gardens
Letters from Spiers and Pond Ltd regarding spirit licences, lavatories in the Gardens and ownership of outside bars. Also an agreement between the Zoological Society of London and Spiers and Pond Limited
Letter from George Sprigg, Secretary of the Acclimatisation Society of Victoria, to Philip Lutley Sclater regarding the procurement of specimens for the Zoological Society of London
Correspondence and papers regarding the property Springfield, Whipsnade Park