- Islandora Repository
- Revolutionary Philadelphia
- APS Objects
- Williams, Jonathan to William Temple Franklin, 1781 January 20
- Williams, Jonathan to William Temple Franklin, 1781 January 23
- Williams, Jonathan to William Temple Franklin, 1781 January 4
- Williams, Jonathan to William Temple Franklin, 1781 July 24
- Williams, Jonathan to William Temple Franklin, 1781 July 26
- Williams, Jonathan to William Temple Franklin, 1781 June 10
- Williams, Jonathan to William Temple Franklin, 1781 March 24
- Williams, Jonathan to William Temple Franklin, 1781 May 3
- Williams, Jonathan to William Temple Franklin, 1781 October 18
- Williams, Jonathan to William Temple Franklin, 1781 September 1
- Williams, Jonathan to William Temple Franklin, 1782 April 4
- Williams, Jonathan to William Temple Franklin, 1782 August 23