11James Monroe to Thomas Jefferson, [22] January 1816 (Jefferson Papers)
Spain; and U.S. [index entry]
12Thomas Jefferson to James Monroe, 4 February 1816 (Jefferson Papers)
Spain; and U.S. [index entry]
13James Monroe to Thomas Jefferson, 27 February 1816 (Jefferson Papers)
Spain; and U.S. [index entry]
14Gideon Fitz to Thomas Jefferson, 20 March 1816 (Jefferson Papers)
Spain; and U.S. land claims [index entry]
15Eusebio Valli to Thomas Jefferson, 5 June 1816 (Jefferson Papers)
yellow fever; similarity of, in Spain and U.S. [index entry]
16James Madison to Thomas Jefferson, 15 February 1817 (Jefferson Papers)
Spain; and U.S. [index entry]
17DeWitt Clinton to Thomas Jefferson, 27 March 1817 (Jefferson Papers)
Spain; and U.S. [index entry]
18Thomas Jefferson to Albert Gallatin, [before 6 June 1817] (Jefferson Papers)
Spain; and U.S. [index entry]
19Jacob Latting to Thomas Jefferson, 27 October 1817 (Jefferson Papers)
Spain; and U.S. [index entry]
20John Wayles Eppes to Thomas Jefferson, 11 December 1817 (Jefferson Papers)
Spain; and U.S. [index entry]