Letters from Gambier Bolton to Philip Lutley Sclater regarding alterations and additions to the gardens of the Zoological Society of London due to the decline in visitors
Letters from Arthur E Brown of the Zoological Society of Philadelphia, to Philip Lutley Sclater regarding the birth of an African elephant
Letters from John Samuel Budgett to Philip Lutley Sclater regarding his research on okapis and expeditions to study polypterus
Correspondence between W Batty of Astley's Amphitheatre, to David William Mitchell regarding the price for two elephants
Correspondence between Edward Blyth and David William Mitchell regarding the shipment of animals to 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
Letter from David William Mitchell to John Alexander Hope, 6th Earl of Hopetoun, regarding his membership of the Zoological Society of London
Letters from Charles Augustus Murray to David William Mitchell regarding the shipment of animals to the the Gardens of the Zoological Society of London from Egypt, with receipts
Secretary's reports on the Zoological Society of London
Correspondence to and about David William Mitchell regarding royal personages of the Zoological Society of London, shipments of birds, an arrangement with Mr Henry Beale for the conveyance and delivery of Greyhounds and Deerhounds, the Refreshment Rooms, a testimonial for Louis Fraser, the shipment of a Trigress and a Lion, bills of the Zoological Society of London, the estate of David William Mitchell, notes of a committee appointed to examine the state of the accounts between David William Mitchell and the Society, particulars of money due from the executors, and amount of claim against his estate