Letter listing for 1750–1759
- Marie Louise Denis [née Mignot] to George Keith, 10th Earl Marischal, c. 30 April 1753
- Jean de Türckheim to Jean Frédéric Flachsland, 30 April 1753
- Voltaire [François Marie Arouet] to Jacques Emmanuel Roques de Maumont de La Rochefoucauld, 30 April 1753
- Voltaire [François Marie Arouet] to Johan Arckenholtz, 30 April / May 1753
- Jean Jacques Rousseau to Charles Bordes, May 1753
- George Keith, 10th Earl Marischal to Frederick II, king of Prussia [the Great], 1 May 1753
- Jean Frédéric Flachsland to Georges Lalance, 2 May 1753
- David Hume to David Dalrymple, Lord Hailes, 3 May 1753
- Laurent Angliviel de La Beaumelle to Diane Adélaïde de Brancas, duchesse de Villars-Brancas [née de Mailly-Nesle], 4 May 1753
- Agreement for the publication of Compendium of voyages (1756) by Tobias Smollett, Robert Dodsley, James Rivington and William Strahan, 5 May 1753
- Johann Friedrich Schmidt to Franz von Freytag, graf von Freytag, 6 May 1753
- Jacques Emmanuel Roques de Maumont de La Rochefoucauld to Voltaire [François Marie Arouet], 9 May 1753
- David Hume to David Dalrymple, Lord Hailes, 10 May 1753
- Marie Louise Denis [née Mignot] to George Keith, 10th Earl Marischal, 12 May 1753
- George Keith, 10th Earl Marischal to Frederick II, king of Prussia [the Great], 13 May 1753
