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