Letters from Henry Stephens Salt, Secretary of the Humanitarian League, to Philip Lutley Sclater regarding snake feeding at London Zoo
Correspondence between Taylor, Sons and Humbert and Clarence Bartlett regarding the feeding of pythons and other snakes upon live animals
Correspondence between the Duke of Bedford and Geoffrey Marr Vevers regarding the exchange of animals between the Zoological Society of London and Woburn Safari Park, information about Chillingham Cattle and supporting the herd, the feeding of deer, the Duke of Bedford becoming a Member of the Council of the Zoological Society of London, pheasants and water fowl from the Continent, meetings of the Council, Pere David's Deer, and the importation of a European Bison bull from Poland for the Duke of Bedford
Correspondence between the Institute of Child Health at the University of London and the Zoological Society of London regarding observations of infant feeding in the Gardens
Letter from John Colam of the Royal Society for the Prevention of Cruelty to Animals, to Philip Lutley Sclater regarding the serpent feeding in the reptile house being a healthy amusement for children and young persons
Letters from Lionel Walter Rothschild to Peter Chalmers Mitchell regarding the preparation of food for Rheas and Emus and agreeing that Mr Boulanger can take the Chimpanzee home
Letters from Henry Scherren to Philip Lutley Sclater regarding corrections to the proof of 'Region' and the banning of members of the public during feeding time in the Reptile House