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
Letter from William Dumbreck to David William Mitchell offering to dispose of a tiger from the Edinburgh collection
Letters from Richard Gibbons to David William Mitchell regarding his subscription to the Zoological Society of London
Letter from John Green to David William Mitchell regarding the transport of the hippopotamus on the 'Ripon' for the Zoological Society of London
Letter to Ganpat Rao Gaekwad, Guicowar of Baroda, from the Zoological Society of London to acknowledge the safe arrival of a pair of tigers
Letter from Major-General Sir John Bennett Hearsey to David William Mitchell regarding pheasants and other rare birds for the Zoological Society of London
Letters from Hunter and English to David William Mitchell regarding a steam engine and pumping machinery at the Gardens of the Zoological Society of London
Letter from N Melton to David William Mitchell regarding a shipment of crown birds, a monkey and a scotchman bird for the Zoological Society of London
Letter from Alfred Newton to David William Mitchell regarding a shipment of two deerhound and two turkey cocks from St Croix to the Zoological Society of London
Correspondence between West Middlesex Waterworks and David William Mitchell regarding the consumption of water at the Gardens of the Zoological Society of London