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
Letters from Martin Theodor von Hueglin to Philip Lutley Sclater regarding his departure for Spitzbergen and his treasures of the three natural kingdoms
Letters from Geoffrey S Hulaine to William Turner Bennett
Letter from Hume asking for copies of the rules and bye laws of the Zoological Society of London and any paper and documents which may be of use to him. He expresses dislike of the office of Permanent President
Correspondence with Peter Humphries of the Embassy of the Republic of Indonesia, regarding immobilising wild animals
Letter from John Humphrys regarding the identification of shells he had though of as Indian origin, and a discussion about his collection
Letters from Hunter and English to Philip Lutley Sclater regarding the well pumps in the gardens of the Zoological Society of London, with a report on the well and pumps
Letters from Hunter and English to David William Mitchell regarding a steam engine and pumping machinery at the Gardens of the Zoological Society of London
Letter from J Hunter to Philip Lutley Sclater regarding finding a gardener for John Young
Correspondence with Lord Hurcomb of the International Council for Bird Preservation, British Section, regarding the question of a national bird