Letter from the Statistical Society to Philip Lutley Slater regarding complaints made by many of the learned and scientific societies of London of the insufficiency and inconvenience of the house accommodation they obtain as compared with the cost they are compelled to pay for it
Letter from Charles Napier Sturt to Philip Lutley Sclater regarding securing payments for membership of the Zoological Society of London
Letter from Philip Lutley Sclater to St Pancras Vestry regarding drainage of the Zoological Society of London
Letter from the Sunday Opening Joint Deputation to Philip Lutley Sclater regarding the opening of museums, art galleries and libraries on Sundays
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
Letter from Sir John Bland Sutton, Pathologist, to Philip Lutley Sclater requesting extra tickets for entry to the Zoological Society of London to perform post mortem inspections
Letter from Cuthbert Edward Swan to Philip Lutley Sclater regarding his ticket for entrance to the Gardens of the Zoological Society of London
Letters from John Macallan Swan to Philip Lutley Sclater regarding a renewal of his card for annual study at the Zoological Society of London and recommendations for individuals to study in the Gardens
Letter from John Frederick Joseph Sykes of Saint Pancras Health Department, to Philip Lutley Sclater regarding the drainage of the Gardens of the Zoological Society of London
Letter from William Henry Sykes to Philip Lutley Sclater regarding the Indian Museum