Letter listing for 1780–1789
- William Cowper to Reverend William Unwin, c. 28 May 1781
- William Cowper to Joseph Johnson, 28 May 1781
- Joseph Nicolas Dutailli [née de Saint-Pierre] to Jacques Henri Bernardin de Saint-Pierre, 28 May 1781
- Joseph Nicolas Dutailli [née de Saint-Pierre] to Jacques Henri Bernardin de Saint-Pierre, 28 May 1781
- Edmund Pendleton to James Madison [junior], 28 May 1781
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 29 May 1781
- Cyr Honoré de Crémont to Jacques Henri Bernardin de Saint-Pierre, 31 May 1781
- Jeremy Bentham to Joseph Davies, June 1781
- Memorial concerning title to lands on Reedy Creek by Edmund Pendleton for lower house of the Virginia General Assembly [Virginia House of Burgesses / Virginia House of Delegates], 1 June 1781
- Petition asking for stricter regulation of enemies of the state by citizens of Caroline County, Virginia for Virginia General Assembly, 2 June 1781
- William Cowper to Reverend William Unwin, 5 June 1781
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 5 June 1781
- James Burnett, Lord Monboddo to Doctor Richard Price, 8 June 1781
- Jean François de La Harpe to père Joseph de La Porte, abbé de La Porte, 12 June 1781
- père Joseph de La Porte, abbé de La Porte to Jean François de La Harpe, 12 June 1781