Letters from R I Bouchier to David William Mitchell regarding five ostriches for the Zoological Society of London, a lion from Sir Vincent Casolain and a collection of living reptiles

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

Paper by R N T-W-Fiennes on 'Pathological Studies on a Paralytic Disease of Young Lions' for the Animal Welfare and Husbandry Committee of the Zoological Society of London

Paper by Oliver Graham-Jones on 'Clinical Observations on a Paralytic Disease of Young Lions' for the Animal Welfare and Husbandry Committee of the Zoological Society of London

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

Letter from Henry Francis Ainslie to Philip Lutley Sclater about plans for the erection by the Zoological Society of a new 'cats house or house for lions, tigers, and other large Felidae.'

Papers regarding a fatal accident in the Lion Pit at Whipsnade