1Thomas Jefferson to Bernard McMahon, 8 April 1811 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
2Gibson & Jefferson to Thomas Jefferson, 12 February 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
3Thomas Jefferson to John B. Magruder, 28 February 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
4Thomas Jefferson to Patrick Gibson, 1 March 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
5Gibson & Jefferson to Thomas Jefferson, 2 March 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
6Patrick Gibson to Thomas Jefferson, 11 March 1812 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]
7Thomas Jefferson to Bernard McMahon, 30 May 1813 (Jefferson Papers)
Gibson & Jefferson (Richmond firm); and seeds acquired by TJ [index entry]