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
Letter from Molyneux St John to Philip Lutley Sclater regarding the connection between the Zoological Society of London and P T Barnum
Letter from Richard J M St George to Philip Lutley Sclater regarding the cancellation of his membership to the Zoological Society of London
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
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
Letters from Spiers & Pond Ltd. to Philip Lutley Sclater regarding an agreement as to the new lavatory in the Society's gardens
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
Correspondence with Tom Spence regarding tentomy as a means of preventing flight in waterfowl, and the exchange of Shelducks
Letters from John Hanning Speke to Philip Lutley Sclater regarding animals found in Tibet