Letter listing for 1750–1759
- David Hume to Adam Smith, 26 May 1753
- Jean de Türckheim to Jean Frédéric Flachsland, 26 May 1753
- Voltaire [François Marie Arouet] to Jean Baptiste de Boyer, marquis d’Argens, 26 May 1753
- Voltaire [François Marie Arouet] to Frederick II, landgrave of Hesse-Cassel, 26 May 1753
- Johann Friedrich Schmidt to Franz von Freytag, graf von Freytag, 28 May 1753
- Voltaire [François Marie Arouet] to Juliana Franziska von Buchwald [née Neuenstein], 28 May 1753
- Voltaire [François Marie Arouet] to Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen], 28 May 1753
- Reverend Doctor Joseph Warton to Thomas Warton, 28 May 1753
- Michael Gabriel von Fredersdorff to Franz von Freytag, graf von Freytag, 29 May 1753
- Jean Frédéric Flachsland to Jean de Türckheim, 30 May 1753
- Voltaire’s bill for his detention in Frankfurt by Franz von Freytag, graf von Freytag and Johann Friedrich Schmidt, June 1753
- Franz von Freytag, graf von Freytag to Voltaire [François Marie Arouet], 1 June 1753
- Franz von Freytag, graf von Freytag to Frederick II, king of Prussia [the Great], 1 June 1753
- George Keith, 10th Earl Marischal to Marie Louise Denis [née Mignot], 1 June 1753
- Purchase of the copyright of Hay's Religio philosophi (1753) by Robert Dodsley and William Hay, 2 June 1753
