Letters from William Henry Huxley to Philip Lutley Sclater regarding alligators of North America and other matters

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

Letter from Samuel Pierpont Langley of the Smithsonian Institution to Philip Lutley Sclater regarding the establishment of a Zoological Park in the City of Washington

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

Correspondence with W P Heuschele, Veterinarian at San Diego Zoological Garden regarding the minutes of a meeting of the Research Council of the Biological Research Institute

Correspondence with James M Kittleman regarding a vacancy for an Executive Director at the Chicago Zoological Park

Correspondence with Rio Grande Park Zoo regarding the acquisition of rare animals, such as Asiatic Rhinos

Letters from Nellie Louise Condon regarding the address of Methuen and Co publishers, and the Reptile Study Society of America

Letter from J Van Denburgh of the California Academy of Sciences, regarding publications of Joan Procter and Mr Boulenger which she sent to him

Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers