Letter from William Henry Hudson to Peter Chalmers Mitchell enclosing a copy of Birds of La Plata for the Library of the Zoological Society of London
Letter from Major-General Sir John Bennett Hearsey to David William Mitchell regarding pheasants and other rare birds for the Zoological Society of London
Letter from N Melton to David William Mitchell regarding a shipment of crown birds, a monkey and a scotchman bird for the Zoological Society of London
Letter sent by G P Clifford to Philip Lutley Sclater regarding birds sent by the Otago Acclimatisation Society to the Zoological Society of London
Letter regarding the purchase of birds for the Zoological Society of London
Letter regarding an expedition to collect birds for the Zoological Society of London
Report of the Curator of Mammals and Birds to the War Emergency Committee
Memorandum by the Secretary regarding the care of animals (mammals, birds, reptiles, fishes, etc) in transport