The collection of papers includes:
- an account of the population of the parish of Kells, Kirkcudbright - June 1811
- letter to James Campbell at York Place, Edinburgh, from his father, William Campbell, prior to his departing for France with the Hart family, and with news that the family had 'flitted into the new house' and that there were problems 'of thatching and damp floor' which would 'cost about £40' - 30 October 1814
- letter from James Campbell addressed to his father at Carsphairn, in which he praises Barcelona but is unwilling to write by post as 'it is not easy for a free born Englishman to live in this country and say nothing of the Government'. - Barcelona, 2 February 1815
- letter from James Campbell addressed to his father at Carsphairn, in which he writes of the rain and the fact that the Arno had flooded - Florence, 25 November 1815
- letter from James Campbell addressed to his father at Carsphairn, and opening with 'My ever dear parents', in which he notes that, though he doesn't know why, the Hart family 'and all their titled friends, who I have never seen, not only intend to give me a church but a wife also' - Florence, 24 December 1815
- letter from James Campbell addressed to his father at Carsphairn, noting that Mrs Hart spends guineas on dross and marks it in her book for education - Florence, 6 May 1816