Letter from Frederick Talbot, Secretary of the South Staffordshire Industrial and Fine Arts Exhibition 1869, to Philip Lutley Sclater requesting assistance to show birds and fish during the exhibition
Letters from Sir Lawrence Alma Tadema regarding an unmounted lion's skin and a letter in support of an artist being allowed to study in the Zoological Gardens
Letter from William Henry Sykes to Philip Lutley Sclater regarding the Indian Museum
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
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 Cuthbert Edward Swan to Philip Lutley Sclater regarding his ticket for entrance to the Gardens of the Zoological Society of London
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
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 the Sunday Opening Joint Deputation to Philip Lutley Sclater regarding the opening of museums, art galleries and libraries on Sundays
Letter from Philip Lutley Sclater to St Pancras Vestry regarding drainage of the Zoological Society of London