Correspondence between United States Lines and Geoffrey Marr Vevers regarding the transport of animals and museum specimens to Philadelphia on the Russell R. Jones
Correspondence with James M Kittleman regarding a vacancy for an Executive Director at the Chicago Zoological Park
Letter regarding a shipment of Hedgehogs from the Zoological Society of London to the Zoological Society of Philadelphia
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
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
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 Rio Grande Park Zoo regarding the acquisition of rare animals, such as Asiatic Rhinos
Correspondence between Rowley Bristow and Geoffrey Marr Vevers regarding material showing the comparative anatomy of the forearm and Ronald Furlong of St Thomas' Hospital who was working on the surgery of the hand and tendons in America