Letter and agreements between Thomas Masters and the Zoological Society of London for the rent of the buildings occupied by Masters and for the privilege of selling confectionary on condition that the council would paper and paint the Refreshment Room and erect a suitable stall at the Bears Pit
Letters from Rajendra Mullick to David William Mitchell giving thanks for a shipment of birds shipped from the Zoological Society of London and reports on zoology, and birds and animals onboard the Prince of Wales for the Zoological Society of London
Correspondence between Sir James Outram and David William Mitchell regarding an offer of tigers and a request for game birds, hunting cheetahs, the common leopard, hyenas, jackals and wolves
Letters from William Smith to David William Mitchell regarding the price of Reports and Proceedings of the Zoological Society of London
Letters from S S Tenlon to David William Mitchell regarding the New Pheasantry, a building and enclosure for the aurochs, and for an addition to the Giraffe House at the Zoological Society of London
Correspondence between James Thompson, Head Keeper at London Zoo, and David William Mitchell regarding the expense to carry out the experiment of rearing mammals and birds in the Hill Country for transmission to Enland, and the transmission of a collection of Himalayan pheasants to the Zoological Society of London
Letters from William Thompson to David William Mitchell regarding statements of accounts of 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
Letters from Richard Gibbons to David William Mitchell regarding his subscription to 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