Letters from William K Ball to David William Mitchell regarding a lion that was in possession of Sir Vincent Casolain and was to be deposited at the Zoological Society of London
Letters from Sir Frederick William Adolphus Bruce to David William Mitchell regarding the gift of a female hippopotamus from Egypt for the Zoological Society of London
Letters from J M Davies regarding the shipment of animals to the Zoological Society of London
Letters from John Gould regarding his proposition to exhibit his hummingbirds
Letters from Sir Francis Galton to Philip Lutley Sclater on subjects including blood transfusion instruments that had been adapted for rabbits
Letters from George Robert Gray regarding drawings by T Mitchelli, the subscription of a Mr Holmes, and a paper for publication in the Proceedings of the Zoological Society of London
Letters from John Gritton of the Lord's Day Observance Society to Philip Lutley Sclater regarding a memorial of the committee of the Society for promoting the due observance of the Lord's Day
Letters from Henry Walter Bates to Philip Lutley Sclater regarding his research and animals collected by Paul Du Chaillu
Letters from Herbrand Arthur Russell to Philip Lutley Sclater regarding the purchase of animals, his election as member of the council of the Zoological Society, his attendance at meetings and the appointment of a veterinary surgeon at the Zoological Society
Letters from A de Borre of the Musee Royal d'Histoire Naturelle Brussels, to Philip Lutley Sclater