Letters from John Edward Gray regarding John Gould's collection of birds and his subscription to the Zoological Society of London
Letters from John Gould regarding his proposition to exhibit his hummingbirds
Letters from Richard Gibbons to David William Mitchell regarding his subscription to the Zoological Society of London
Letters from J M Davies regarding the shipment of animals to the Zoological Society of London
Letters from Sir George Clerk to David William Mitchell regarding the Chancellor of the Exchequer and the purchase of a museum collection of the Zoological Society of London
Correspondence between Hamet Saffi Canaana, the Keeper of Obaysch, and David William Mitchell regarding his service at the Zoological Society of London, with receipts
Letters from Sir Frederick William Adolphus Bruce to David William Mitchell regarding the gift of a female hippopotamus from Egypt for 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
Correspondence between Edward Blyth and David William Mitchell regarding the shipment of animals to the Zoological Society of London
Correspondence between W Batty of Astley's Amphitheatre, to David William Mitchell regarding the price for two elephants