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
Letters from Joseph Henry of the Smithsonian Institute, to Philip Lutley Sclater regarding botanical specimens from the Zoological Society of London and specimens of South American birds to be named and described for the Smithsonian Institute
Letters from Sir Clement Lloyd Hill to Philip Lutley Sclater regarding the way in which animals and birds were shot down in new countries, and draft reply concerning papers put out by the Zoological Society of London for the protection of birds
Letters from William Henry Hudson to Philip Lutley Sclater regarding cuckoos, shipments of birds to the Smithsonian, Woodpeckers in Argentina, Blackbirds and other birds
Letters from J L Cox regarding the keeping of birds in the Gardens of the Zoological Society of London and a donation of animals from a friend for the Society
Letters from Thomas Henry Huxley to Philip Lutley Sclater asking about available birds for dissection, meetings of the Council of the Zoological Society of London, proofs and woodcuts for a paper, specimens of birds and the Marine Biological Association
Letter sent by G P Clifford to Philip Lutley Sclater regarding birds sent by the Otago Acclimatisation Society to the Zoological Society of London
Correspondence regarding W J C Frost being commissioned by the Council of the Zoological Society of London to collect Birds of Paradise and Crowned Pigeons for London Zoo
Letters from Sir Richard Owen to Philip Lutley Sclater on subjects such as plates of the Dodo, papers on bird bones, notes on the dissection of a penguin, cetacean drawings, chambered shells, drawings of birds from Madras, photographs of harpagornis and his papers on diornis
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