Letters from William K Ball to David William Mitchell regarding a lion that was in possession of Sir Vincent Casolain and was to be deposited at the Zoological Society of London
Letters from Robert Ball, Secretary of the Royal Zoological Society of Ireland, to John Barlow regarding the exchange of animals with the Zoological Society of London
Letters from Sir Samuel White Baker to Philip Lutley Sclater regarding notes and sketches of Hippotragus Bakeri
Letter from William Baird to Philip Lutley Sclater regarding a paper containing the description of the new aplysia
Letters from Spencer Fullerton Baird of Washington to Philip Lutley Sclater regarding ornithology
Letter from F Baddeley to Peter Chalmers Mitchell regarding the feeding of goats to serpents in the Gardens of the Zoological Society of London
Letter from A Verey & Co. to Philip Lutley Sclater regarding a young gorilla and chimpanzee from Africa
Letter from William Chapman Atkinson to Philip Lutley Sclater regarding his talk about live gorillas in Europe
Letter from George Atkins to Philip Lutley Sclater regarding an animal that was found in Sierra Leone and exhibited at the Sierra Leone Exhibition
Letter from Arthur F Astley to Philip Lutley Sclater regarding the subject of reptile feeding at the Zoo