- Islandora Repository
- Revolutionary Philadelphia
- APS Objects
- Weiss, Jacob Return, 1778 October 11
- Weiss, Jacob Return, 1778 October 12
- Weiss, Jacob Return, 1779 September
- Weiss, Jacob Return, undated
- Weiss, Jacob to George Olney, 1779 October 18
- Weiss, Jacob to George Olney, 1780 February 18
- Weiss, Jacob to George Olney, 1780 February 18
- Weiss, Jacob to Nathanael Greene, 1779 November 14
- Weiss, Jacob to Nathanael Greene, 1779 October 10
- Weiss, Jacob to Nathanael Greene, 1779 October 18
- Weiss, Jacob to Nathanael Greene, 1779 October 19
- Weiss, Jacob to Nathanael Greene, 1779 October 27
