Draft letter from Joseph Black, Edinburgh to Princess Dashkova, dated 29 Aug. 1787. The letter is about University news and contains an account of James Hutton's theory of the earth.

Draft letter from Joseph Black, Edinburgh to Princess Dashkova and her son, Prince Pauel Dashkov, dated 4 September 1783.

Letter from John Grieve, Riga to Joseph Black, dated 29 May 1783. The letter relates to Grieve sending Black a diploma from Princess Dashkova.

Letter from Prince Pavel Dashkov, St Petersburg to Joseph Black, dated 29 Jan. 1783. The letter is to inform Black that he has been elected an Honorary Member of the St Petersburg Academy of Science on the proposal of his mother, Princess Dashkova. The item includes Black's draft reply to Prince Pavel Dashkov.

Letter from Princess Dashkova, St Petersburg to Joseph Black, dated 12 February 1783. The letter is about Princess Dashkova inviting Black to correspond with the Academy of Science on chemical subjects.

Letter from Princess Dashkova, St Petersburg to Joseph Black, dated 21 February 1783. The letter is about Princess Dashkova inviting Black to correspond with the Academy of Science on chemical subjects.

Letter from Princess Dashkova, St Petersburg to Joseph Black, dated 7 July 1786 and 18 July 1786. The letter is about recommending Mr Edanoff who is going to study at Edinburgh.

Letter from Princess Dashkova to Joseph Black, undated. The letter is about commending three students from St Petersburg. The item also contains draft letter from Joseph Black's to Princess Dashkova, dated 21 March 1788.