Letters from Gerald Chetwynd Talbot, Private Secretary to the Governor General of India, to David William Mitchell regarding occurrences in the upper provinces of India which prevent the sending of Himalayan birds to England and the agent sent to Calcutta by the Zoological Society of London, a wild goat sent for presentation to Prince Albert, and a collection of hill birds for Prince Albert
Articles of Agreement and correspondence between John Warwick with the Zoological Society of London and the Earl of Derby regarding a voyage to Egypt and Nubia to procure live animals and birds for the Zoological Society of Lonon
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
Letters from John Edward Gray regarding John Gould's collection of birds and his subscription to the Zoological Society of London
Letter from Allan, Deffell & Co. to David William Mitchell requesting assistance for Mr James Thompson and a collection of birds and some quadrapeds
Correspondence between Edward Blyth and David William Mitchell regarding the shipment of animals to 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
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
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 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