1Isaac Briggs to Thomas Jefferson, 16 February 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
2Alexander J. Dallas to Thomas Jefferson, 16 February 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
3Thomas Jefferson to Alexander J. Dallas, 26 February 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
4Thomas Jefferson to Isaac Briggs, 27 February 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
5Isaac Briggs to Thomas Jefferson, 30 March 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
6Joseph Bringhurst to Thomas Jefferson, 2 May 1816 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
7Isaac Briggs to Thomas Jefferson, 7 May 1816, with Postscript by Mary B. Briggs (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]
8Isaac Briggs’s Account of a Visit to Monticello, 2–4 November 1820 (Jefferson Papers)
Briggs, Isaac; petitions Congress [index entry]