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 ask him to send numbers 8 and 9 of the Geology of South India to Colonel Sykes. He also sends several Papers to present to the Society. He writes these are the last papers in the first folio and the last he will be able to present to the Society for some time as his time is completely taken up with the work of his situation. He remarks that his health has also suffered. Newbold asks to be remembered to George Staunton and Alexander Johnston, and he thanks Clarke for his encouragement.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, submitting no.2 of his Summary of the Geology of South India and asking Clarke to forward it to Colonel Sykes for his perusal and correction before it is read at the Society or published in the Journal. Newbold will further more Papers in due time. He asks Clarke whether he likes the new President of the Society, Lord Auckland. Newbold writes that Walter Elliot at Madras is trying to revive their Journal and that he has been sent a copy of the Bombay Journal. He also writes about further work in which he is employed.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, to send number 6 of his Summary of the Geology of South India. He also enclose a geological Sketch Map. Newbold asks Clarke if he would forward to him the Proceedings of the Geological Society for 1841 and 1842. He also writes that he has a copy of the "Ajaib al Mukhlookat - the Wonders of the Garden - in Persian". He asks Clarke whether he knows if it has been translated. He also writes about the "Mayina al Inhikhah in Hindustani by Shah Kernal" presented by him. He has forwarded a copy of the late Nawab's library and has received a flattering letter on the subject from M. Garcin the Sapoy. In a postscript Newbold writes that he encloses a sketch of one of the mammals he discussed in number XIII of the Journal.

Letter from Captain Thomas John Newbold to Richard Clarke, Secretary of the Royal Asiatic Society, with which he sends a paper intended for the Royal Asiatic Society and asks Clarke to ensures it gets to the Society. The Paper is a preliminary sketch of the Geology of South India. He asks if Clarke could send a list of the Malay manuscripts that Newbold had given to the Society to Professor Dalamrier in Paris. He also asks regarding the binding of a Persian manuscript which he presented to the Society. Newbold has not yet received the copies of the Papers he authored.

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.