1Thomas Appleton to Thomas Jefferson, 26 December 1814 (Jefferson Papers)
Barnet, Isaac Cox; as consul [index entry]
2James Monroe to Thomas Jefferson, [22] January 1816 (Jefferson Papers)
Barnet, Isaac Cox; as consul [index entry]
3Thomas Jefferson to William Short, 7 April 1816 (Jefferson Papers)
Barnet, Isaac Cox; as consul [index entry]
4William Short to Thomas Jefferson, 7 May 1816 (Jefferson Papers)
Barnet, Isaac Cox; as consul [index entry]