Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Letters from Phineas Taylor Barnum to Philip Lutley Sclater regarding the purchase and transfer of Alice the elephant. Also a letter regarding the purchase of specimens for Barnum's Zoological Museum
Letter from J Bartlett to Philip Lutley Sclater regarding animals in the Zoological Society collections
Letters from Baring Brothers and Co. to Philip Lutley Sclater regarding the arrival of the ship Renshaw at St Katharine's Docks with the animals shipped by Mr Du Chaillu
Letter from Arthur F Astley to Philip Lutley Sclater regarding the subject of reptile feeding at the Zoo
Letter from Leopold Charles Maurice Stennett to Philip Lutley Sclater offering to get anything he wished during his trip to South Africa, and thanking him for a recent zoo ticket
Letter from Henry Francis Ainslie to Philip Lutley Sclater about plans for the erection by the Zoological Society of a new 'cats house or house for lions, tigers, and other large Felidae.'