1Isaac Cox Barnet to Thomas Jefferson, 21 November 1812 (Jefferson Papers)
Barnet, Isaac Cox; sends books to TJ [index entry]
2Robert Morrell to Thomas Jefferson, 22 January 1813 (Jefferson Papers)
Barnet, Isaac Cox; sends books to TJ [index entry]
3Isaac Doolittle to Thomas Jefferson, 11 September 1813 (Jefferson Papers)
Barnet, Isaac Cox; sends books to TJ [index entry]
4Thomas Jefferson to Isaac Doolittle, 18 September 1813 (Jefferson Papers)
Barnet, Isaac Cox; sends books to TJ [index entry]
5Thomas Jefferson to Isaac Cox Barnet, 14 December 1813 (Jefferson Papers)
Barnet, Isaac Cox; sends books to TJ [index entry]