Memorandum regarding periods of fertility and the fertility rates of the various species of mammals on Exhibition at the Gardens of the Zoological Society of London since 1826
Notice to all Keepers to report births, death and accidents, and notice to Overseers to report to the Curator concerned
Proposal for the establishment of a film unit at London Zoo
The Star newspaper cutting regarding a meeting of the Zoological Society of London to elect five Fellows to the Council in the place of those due to retire, and the subsequent resignation of Sir Peter Chalmers Mitchell
Letter from Alfred Carpenter to Peter Chalmers Mitchell regarding the feeding of snakes in the Gardens of the Zoological Society of London
Letter from Wolfram Onslow Ford to Peter Chalmers Mitchell regarding tickets for sketching in the Gardens of the Zoological Society of London
Letter from Carl Hagenbeck to Peter Chalmers Mitchell regarding his shipment of a buffalo to the Zoological Society of London
Letter from Victor Alexander Haden Horsley to Peter Chalmers Mitchell regarding arrangements made in the Zoological Society in the way of recording the wants of workers as regards material, and his desire to acquire the brain of a Hyrax
Letter from Mira F Layard to Dr Woodward regarding tool making animals
Letter from Mrs E E Mappin regarding the estate of John Newton Mappin and authorising the payment for completing the work on the Mappin Terraces at the Zoological Gardens