Proudfoot, William Jardine.
Biographical memoir of James Dinwiddie, L.L.D., astronomer in the British embassy to China, 1792, `3, `4, afterwards professor of natural philosophy in the College of Fort William, Bengal : embracing some account of his travels in China and residence in India. Compiled from his notes and correspondence. (Liverpool : E.Howell, 1868).
https://archive.org/stream/biographicalmem00dinwgoog#page/n8/mode/2up.
(ProuW1)
Travel and Legation Accounts