1Enclosure: Observations on Talavera Wheat by an Unidentified Gentleman, 20 September 1818 (Jefferson Papers)
wheat; Talavera [index entry]
2Thomas Jefferson to Fontaine Maury, 21 February 1819 (Jefferson Papers)
wheat; Talavera [index entry]
3Fontaine Maury to Thomas Jefferson, 14 February 1819 (Jefferson Papers)
wheat; Talavera [index entry]