Correspondence with Geoffrey Marr Vevers regarding queries about birds, such as Java Sparrows, steps that should be taken by the Government of Malta to procure Swans, a request for a pair of Garganey, black Swans in a park in Kirkcaldy, and the average life of a Cormorant
Correspondence with Geoffrey Marr Vevers regarding general queries such as specimens of Hedgehogs, Birds of Prey, fencing for Bison, samples of bark, the flea Hectopsylla psittaci, insuring animals, big game hunters, a Llama cart, the well in the Zoological Gardens, cattle guards, the caring of monkeys as pets, a Tree Kangaroo named Minnie, the temperature in the Monkey House, bird life of the Cocos Islands, the bodies of Goldfish, measurements of the eyes of animals, photographs of the Penguin Pool and a broadcast on Children's Hour
Correspondence with Geoffrey Marr Vevers regarding queries about mammals such as an offer of a Lioness for mating, the measurements of Camels, Toto the Lesser Kudu, Mink breeders, Monkeys from East Africa, Quaggas, the gestation period of a Giraffe, Horned Hares, and domesticating the Paca and Capybara
Correspondence with Geoffrey Marr Vevers regarding queries about reptiles, such as 'Double-headed Snake', and a request for Alligators
Letters to Philip Lutley Sclater
Correspondence between R & S Mullens to Philip Lutley Sclater regarding the trial of Ellis for taking a pigeon from the Gardens of the Zoological Society of London
Correspondence and papers relating to the death of B J Radford, a keeper in the Lion House
Records relating to air raid warnings at the Zoological Society of London