Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica
Correspondence between the Yellow Fever Research Institute in Entebbe, Uganda and Geoffrey Marr Vevers regarding a shipment of Monkeys and Red River Hog for the Zoological Society of London
Correspondence American Express and Geoffrey Marr Vevers regarding animals being shipped to the Zoological Society of London, including mink on board the SS Corrales, a white owl on SS Empire McCullum, a collection of animals aboard the SS Isipingo, a sloth bear cub from Bombay on SS Mantola, five monkeys on SS Isipingo, a bear cub on SS Mantola, animals on SS Deido, kangaroos on SS Rivercrest, animals aboard SS Tarkwa, caotimundis and capybara on SS Arakaka, a leopard on SS Congonia, a bandicoot on SS Brittanic, a shipment on SS Freetown, an ocelot and owl on Arakaka
Correspondence between K F Moorhouse Ltd and Geoffrey Marr Vevers regarding the introduction of a Monkey House into the Aquarium at Brighton Aquarium
Correspondence between R E Glover and George Soper Cansdale regarding the supply of West African monkeys for research work in England
Correspondence with the collector B L Mitchell regarding animals to be collected from Nyasaland for the Zoological Society of London, including Vervet Monkeys, Jackal cubs, Martial Hawk Eagle, Pangolins and Bush Babies
Correspondence with G C Sauvage regarding animals for sale including Sitentunga, Reticulated Giraffes, a Brazza Monkey, Waterbuck, Vultures, Gazelles and Canaries
Correspondence between B Bevis and George Soper Cansdale regarding the offer of a White Nosed Monkey from West Africa to the Zoological Society of London
Correspondence between E F Pullinger and Geoffrey Marr Vevers regarding the import of monkeys
Correspondence with Geoffrey Marr Vevers regarding an adoption scheme run by the Zoological Society of London, including for a Nagor Antelope, a Monkey called Bingo, a Green Monkey called Charlie, red and yellow macaws, poultry for the Children's Zoo, Patagonian Cavy, Sooty Mangabey, Parrots, a Dingo called Tony, Marmots, Minnie the Tree Kangaroo, Ali the Bear, a Fox cub called Margery, a Sooty Mangabey called Betsy, and a lion and snowy owl