Letter from Julien Francois Desjardins to Edward Charlesworth, Assistant Secretary of the Zoological Society of London, regarding the Proceedings of the Zoological Society of London and papers for publication
Letter from Braithwaite, Milner and Co. to John Barlow regarding a report on the steam engine and machinery at the gardens of the Zoological Society of London
Letter from William Martin, Secretary of the Bristol and Clifton Zoological Gardens, to John Barlow regarding a specimen they held of an Active Gibbon which they offered for sale to the Zoological Society of London
A list and two letters from Edward Smith Stanley to Edward Ogilby
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