Letters from John Trivett Nettleship to Philip Lutley Sclater regarding admission to the Gardens of the Zoological Society of London, a recommendation for Miss Mary Irene Stoddard to receive a student ticket for admission, and a letter to Professor Flower regarding his proposed election as Fellow
Letters from Charles Kingsley to Philip Lutley Sclater regarding naturalists in Denver, Colorado, specimens for the Zoological Society of London, and the paper of the ex-governor of Trinidad
Letters from Christian Ferdinant Friedrich Krauss to Philip Lutley Sclater
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