1Thomas Jefferson’s Constitution for Proposed Agricultural Society of Albemarle, [ca. 1 February 1811] (Jefferson Papers)
barley; as farm produce [index entry]
2Thomas Jefferson to Joseph Coppinger, 25 April 1815 (Jefferson Papers)
barley; as farm produce [index entry]
3Thomas Feeling to Thomas Jefferson, 12 December 1817 (Jefferson Papers)
barley; as farm produce [index entry]
4Enclosure: Observations on Talavera Wheat by an Unidentified Gentleman, 20 September 1818 (Jefferson Papers)
barley; as farm produce [index entry]