- Islandora Repository
- Text Collection
- The Sol Feinstone Collection of the American Revolution, ca. 1760s-1850s
- Oliver, John to Thomas Hancock, 1755 December 22
- Onslow, Richard to Charles? Harrison, 1778 March 20
- Osgood, Samuel and Walter Livingston to William Ellery, 1787 January 27
- Paine, Thomas to Dr. Samuel Adams, 1774 June 30
- Paine, Thomas to Dr. Samuel Adams, 1775 March 5
- Paine, Thomas to Dr. Samuel Adams, 1777 June 9
- Paine, Thomas to Dr. Samuel Adams, 1778 January 5
- Paine, Thomas to Dr. Samuel Adams, 1778 March 23, 26
- Paine, Thomas to Dr. Samuel Adams, 1781 January 30, February 1
- Paine, Thomas to Dr. Samuel Adams, 1783 April 12
- Paine, Thomas to Dr. Samuel Adams, 1783 August 20
- Paine, Thomas to Dr. Samuel Adams, 1783 May 13
