1Isaac Briggs to Thomas Jefferson, 30 March 1816 (Jefferson Papers)
Canby, William; TJ’s letter to published [index entry]
2Thomas Jefferson to Isaac Briggs, 17 April 1816 (Jefferson Papers)
Canby, William; TJ’s letter to published [index entry]
3William Canby to Thomas Jefferson, [ca. 13] May 1816 (Jefferson Papers)
Canby, William; TJ’s letter to published [index entry]