The contents are as follows: Notebook, 1798-1802, of Sir James Hall entitled "Chemical Experiments made with a view to obviate some of the difficulties in Dr Hutton's 'Theory of the Earth'"(MS.5019);

Journal, May-June 1785, of journey from Palermo to Taormina (MS.6328).

Journal, April-May 1791, of the journey from Dunglass to Paris. (MS.6329);

Journal, May 1791, of his stay in Paris. (MS.6330);

Journal, June 1791, of journey from Paris to Clermont (MS.6331);

Journal, June-August 1791, of journey from Clermont to Dunglass (MS.6332).