Letters from Monsieur A Valenciennes of the Jardin des Plantes in Paris regarding the fish Alepisaurus and of the progress of zoological science and of co-operation
Correspondence between Julian Sorell Huxley and Achille Urbain of the Parc Zoologique de Vincennes in Paris, regarding the construction of the new Elephant House at London Zoo
Letters from Upton, Upton & Johnson regarding the Zoological Society of London's claim against Mr Mitchell's late brother and late Secretary of the Society, Mr David William Mitchell
4 letters from unknown authors to David William Mitchell regarding membership of the Zoological Society of London, a large blood hound for the Society and the transportation of animals
Letter from an unknown person regarding wild pigeons on board a Brig to be sent to the Zoological Society of London
Correspondence between the University of Hull and Geoffrey Marr Vevers regarding the design of cages to hold fowls or rabbits and samples of drinking and feeding vessels, the appointment of an Assistant Lecturer in the Department of Zoology, artificial lighting for birds, the import of Macaws, and a source of supply of Chrysotis
Correspondence between the University Museum in Oxford and Geoffrey Marr Vevers regarding drawings by Mrs Purves, and records of a baby Gorilla from the Zoological Society of London which went to the Department of Human Anatomy, University Museum, Oxford
Correspondence between University College Hospital Medical School and Geoffrey Marr Vevers requesting advice on sources of recruitment for laboratory assistants
Correspondence between the United Workers' Association and the Zoological Society of London regarding payments to men called up for the Services
Correspondence between United States Lines and Geoffrey Marr Vevers regarding the transport of animals and museum specimens to Philadelphia on the Russell R. Jones