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 Henry Law to Philip Lutley Sclater regarding the drainage and water supply of the Zoological Gardens
Letters from Sir Charles Lyell to Philip Lutley Sclater regarding the donations of a text regarding Charles Darwin to the Library of the Zoological Society of London, a list of books to be purchased for the Library, the foundation of a zoological society in Boston, Massachusetts, and a request from keepers to read books on natural history and the animals in their care
Letters from Alexander Agassiz to Philip Lutley Sclater about the collections of British Museum and Jardin du Plantes, Paris
Letters from John Anderson to Philip Lutley Sclater regarding the Indian Museum in Calcutta
Correspondence between Inland Revenue and Philip Lutley Sclater regarding the liability of the Zoological Society of London to Corporation Duty. Also an Account for purposes of Assessment of Duty payable on property of bodies corporate and unincorporate, with extract of the Act.
Letters and a report from C Isler and Co to Philip Lutley Sclater on an inspection of the well at the gardens of the Zoological Society of London
Letters from Clements Robert Markham, Secretary of the Royal Geographical Society, to Philip Lutley Sclater regarding permission for his cousin to take photographs in the gardens of the Zoological Society of London, a request to review Eastern Persia for the Geographical Magazine, Sclater's membership of the Geographical Society, a representation to the government with a view to the exploration of the North Pole region, the Spitsbergen bird, and an order for his wife and himself to see their dogs at the gardens
Letter from R W Maude to Philip Lutley Sclater requesting tickets for admission to the Gardens of the Zoological Society of London, with a character reference from P T Barnum
Letters from Alphonse Milne-Edwards, Director of the Menagerie au Museum d'histoire naturelle, to Philip Lutley Sclater