Letter listing for 1730–1739
- Lodovico Antonio Muratori to Francesco Brembati, conte Brembati, 1 May 1738
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 1 May 1738
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 1 May 1738
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 3 May 1738
- Voltaire [François Marie Arouet] to père Bonaventure Moussinot, abbé Moussinot, 5 May 1738
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 5 May 1738
- William King to Deane Swift [the younger], 6 May 1738
- Filippo Argelati to Lodovico Antonio Muratori, 8 May 1738
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Pierre Louis Moreau de Maupertuis, 9 May 1738
- Alexander Pope to Ralph Allen, 9 May 1738
- Alexander Pope to Reverend Alexander Pope, 9 May 1738
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 9 May 1738
- Voltaire [François Marie Arouet] to père Bonaventure Moussinot, abbé Moussinot, 9 May 1738
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 9 May 1738
- Marie Louise Denis [née Mignot] to Nicolas Claude Thieriot, 10 May 1738