Twenty-six items of correspondence plus a further label. The majority of the correspondence is from Thomas Newbold to Richard Clarke. There is a single letter from Newbold to George Thomas Staunton; and a single letter from Richard Wood to Newbold.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, to enclose numbers 4, 5, 6 and 7 of his "Mineral Resources of India". He asks if Clarke will read and proof them for grammar and punctuation. He hopes they may be published to give a better idea of the geophysical position. Newbold comments about the ordering of the papers. In a postscript he adds that he has retained number 7.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, to enclose number 7 of his "Mineral Resources of India". He writes that the bulk of the Paper has already been read before the Royal Asiatic Society but not published. He asks that Clarke will proof the Paper. He also sends a manuscript concerning the "mundane system of the Farsis". He writes that Mr Norris had sent 3 copies of one of Newbold's Papers that had recently been published but that he will require about 10 further copies and asks if Clarke will send copies with the Author's respects to the Foreign Societies, a list of which he has left with Mr Reid. He will also require 50 copies of his Mineral Resources and asks Clarke to manage this for him.

Correspondence and Papers written by Captain Thomas John Newbold between 1842 and 1849. The majority of the correspondence is from Newbold to Richard Clarke, the Secretary of the Royal Asiatic Society. The Papers were mainly sent by Newbold to be read at the Society or published in its Journal.