Papers regarding a fatal accident in the Lion Pit at Whipsnade

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.'

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

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

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

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

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

Letter from Philip Hermogenes Calderon to Philip Lutley Sclater requesting a card permitting his son, William Francis Calderon, to sketch lions and leopards at the Zoological Society of London

Letter from Sir Victor Casolain to David William Mitchell regarding a lion and lioness forwarded to the care of Mr Boucher at Malta, and to be sent to the Zoological Society of London

Correspondence between Geoffrey Marr Vevers and R S Goddard of Chessington Zoo regarding the purchase of the Lion 'Marath' from the Zoological Society of London