Given by his grandson, Mr. Walter Duncan
Two letter books, 1864-66 and 1866-69: Business letters written by Duncan from Calcutta to his partners in Scotland, with an occasional family letter. The letters deal in detail with the Duncan cotton and tea business; and include descriptions of tea plantations; discussions about the tea and cotton market; the effect of the American Civil War etc.; prices; the firms dealt with; general policy.
Notes to Volume 3, 1874-77. TS.