- Islandora Repository
- Revolutionary Philadelphia
- APS Objects
- Robert Morris to Anne-César, Chevalier de La Luzerne, 1781 November 03
- Robert Morris to Anne-César, Chevalier de La Luzerne, 1781 November 06
- Robert Morris to Anne-César, Chevalier de La Luzerne, 1781 November 22
- Robert Morris to Anne-César, Chevalier de La Luzerne, 1781 November 26
- Robertson, O. H. (Oswald Hope) to Major Claiborne, undated
- Robeson, William to William Temple Franklin, 1780 June 1
- Robeson, William to William Temple Franklin, 1780 June 3
- Robeson, William to William Temple Franklin, 1780 September 14
- Robeson, William to William Temple Franklin, 1781 November 8
- Robeson, William to William Temple Franklin, 1781 September 11
- Robeson, William to William Temple Franklin, 1781 September 15
- Robeson, William to William Temple Franklin, 1782 March 16
