- Islandora Repository
- Revolutionary Philadelphia
- APS Objects
- Bache, Richard to Benjamin Franklin, 1777 June 20
- Bache, Richard to Benjamin Franklin, 1777 March 10
- Bache, Richard to Benjamin Franklin, 1778 July 14
- Bache, Richard to Benjamin Franklin, 1779 April 07
- Bache, Richard to Benjamin Franklin, 1779 February 16
- Bache, Richard to Benjamin Franklin, 1779 January 16
- Bache, Richard to Benjamin Franklin, 1779 November 02
- Bache, Richard to Benjamin Franklin, 1779 November 02
- Bache, Richard to Benjamin Franklin, 1779 November 08
- Bache, Richard to Benjamin Franklin, 1779 October 17
- Bache, Richard to Benjamin Franklin, 1779 October 18
- Bache, Richard to Benjamin Franklin, 1779 September 18
