Letter to David William Mitchell from James Pennethorne regarding requirements for canal bank maintenance
Correspondence between David William Mitchell and J A O'neill regarding queries about Sunday admissions to 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
Correspondence between Sir Henry Drummond Wolff and David William Mitchell regarding payments to the Zoological Society of London
Correspondence between John Houston, David William Mitchell and the South Australian Banking Company regarding the sale of birds and a request by Prince Albert to bring a Platypus, Lyre Tailed Pheasant and Black Mackaw to the Zoological Society of London
Letter from H C James to David William Mitchell regarding his dispatch to Calcutta from Darjeeling, and birds that are destined for the Zoological Society of London
Letter from W B Legros to David William Mitchell regarding a present sent by the Zoological Society to Colonel Bonford and an assurance that Colonel Bonford has in his care the animals gifted by the late Viceroy of Egypt to the Zoological Society of London. Also thanks from Mr Murray for a copy of 'Views'
Letters from William Henry Leigh to David William Mitchell regarding the opening of the Gardens of the Zoological Society on a Sunday
Letter from Mark Lemon to David William Mitchell regarding a cheque for Mr Ingram's annual subscription to the Zoological Society of London