Letter from Joseph Black, Edinburgh to his father, John Black, dated 2 December 1752. The letter is about stating his Edinburgh expenses will far exceed those of Glasgow and he mentions Mr and Mrs Russel. Black states he is thinking of doing his thesis on lime water and he details the experiments of Professor [Robert] Whytt and Professor [Charles] Alston on its use in treatment of the stone.

Letter from Joseph Black, Edinburgh to his father, John Black, dated 10 March 1753. The letter is about the value of chemical knowledge in medicine. He mentions Montesquieu but is too busy to visit him in France, with 5 classes, the shop and the infirmary to attend. He states he will require another year to finish his thesis.

Letter from Joseph Black, Edinburgh to his father, John Black, dated 23 November 1754. The letter is about sending a copy of his M. D. thesis and about its reception, etc. He mentions Professor John Anderson of Glasgow. John Black is still at Bordeaux and Joseph Black suggests Monsieur de Secondat (Montesquieu) may like to see the thesis.

Letter from Joseph Black, Edinburgh to his father, John Black, dated 2 September 1755. The letter is about the death of Montesquieu and the publication of his experiments on magnesia in essays physical and literary. Joseph Black states his intention to attend the hospitals in London.

Letter from Joseph Black, Glasgow to his father, John Black, dated 4 February 1761. Joseph Black mentions John Burnet, Lord Mansfield and states that he has bought a horse for exercise.

Letter from Joseph Black, Glasgow to his father, John Black, dated 4 October 1763. The letter is about recommending his brothers, stating that medical students are expected to study least a session at Glasgow before graduating. He also mentions the King of Prussia and the Earl Marshall.

Letter from Joseph Black, Glasgow to his father, John Black, 26 July 1764. The letter is about Dean Brandreth and methods of baking bread.

Letter from Joseph Black, Glasgow to his father, John Black, dated 30 June 1766. The letter is about giving advice to preserve his health. He mentions that he is going to Edinburgh University on the invitation of Doctor Cullen and Principal William Robertson.

Letter from Joseph Black, Glasgow to his father, John Black, dated 26 September 1766. The letter is about giving medical advice for his father and Mrs Ferguson. Joseph Black states he is going to Professor Adam Ferguson's wedding with Katy Burnet at Aberdeen.

Letter from Joseph Black, Edinburgh to his nephew, George Black, dated 9 November 1799. The letter is about the property of Ballintagart and the law relating to inheritance. Joseph Black also mentions Montesquieu's letter to his father which he would like to have and Adam Ferguson.