Letters from George Dawson Rowley to Philip Lutley Sclater regarding illustrations for the Transactions the Zoological Society of London and the habitat of the Plover
Letter from Harry Rowntree to Philip Lutley Sclater regarding a student ticket for the Gardens of the Zoological Society of London
Letter from the Royal Irish Academy to the Right Hon. Earl Granville, Her Majesty's Principal Secretary of State for Foreign Affairs, regarding the potential loss of collections held in Paris
Letter from Arthur John Edward Russell to Philip Lutley Sclater regarding Ranae esculentae
Letter from Sir Charles Russell to Philip Lutley Sclater regarding a panther in the possession of a Mr Olliver
Letters from Herbrand Arthur Russell to Philip Lutley Sclater regarding the purchase of animals, his election as member of the council of the Zoological Society, his attendance at meetings and the appointment of a veterinary surgeon at the Zoological Society
Letter from G S Sale to Philip Lutley Sclater regarding a Kakapo, or Ground Parrot
Letter from Auguste Sallé to Philip Lutley Sclater
Letters from Henry Stephens Salt, Secretary of the Humanitarian League, to Philip Lutley Sclater regarding snake feeding at London Zoo
Letters from Osbert Salvin to Philip Lutley Sclater regarding the purchase of animals for the Zoological Society of London and meetings of the Council