Philip Lutley Sclater was an English zoologist and lawyer. He is best known for his work on ornithology. He was the longest serving ZSL Secretary, for 42 years between 1859-1902. In this time he corresponded with countless people around the world, and these letters are the ones that are extant.
Correspondence with Philadelphia Zoo regarding the transport of snakes and the breeding of Tarsiers
Correspondence with Philadelphia Zoological Gardens regarding regarding the War
Correspondence between Geoffrey Marr Vevers and Philadelphia Zoological Garden regarding shipments of animals between their zoos, including Kodiak Bears, Coyotes, Raccoons, Aoudads, Thars, Opposums, Turkey Vultures, Screech Owls, Robins, Purple Grackles, Wood Thrushes, Olive-backed Thrush, Bicknell's Thrush, reptiles and amphibians
Correspondence between Philadelphia Zoo and George Soper Cansdale regarding the importation of Salamanders for the Pathology Department of Ancoats Hospital
Correspondence between Philadelphia Zoo and Geoffrey Marr Vevers regarding a shipment of brine shrimp eggs for the Zoological Society of London
Letter regarding a shipment of Hedgehogs from the Zoological Society of London to the Zoological Society of Philadelphia
Applications by Geoffrey Marr Evers for supplementary supplies of petrol for Peter B Partridge and E G Rhodes
Letter from Edward Petre to Philip Lutley Sclater regarding his membership of the Zoological Society of London