11John Patterson to Thomas Jefferson, 6 January 1819 (Jefferson Papers)
12John Wayles Eppes to Thomas Jefferson, 8 January 1819 (Jefferson Papers)
13Daniel Brent to Thomas Jefferson, 10 January 1819 (Jefferson Papers)
14John Forsyth to Thomas Jefferson, 16 January 1819 (Jefferson Papers)
15Thomas Jefferson to John Adams, 19 January 1819 (Jefferson Papers)
16John C. Calhoun to Thomas Jefferson, 21 January 1819 (Jefferson Papers)
17John Adams to Thomas Jefferson, 29 January 1819 (Jefferson Papers)
18Francis Adrian Van der Kemp to Thomas Jefferson, 8 May [1819] (Jefferson Papers)
19Thomas Jefferson to George Ticknor, 24 December 1819 (Jefferson Papers)
20Thomas Jefferson to Thomas B. Robertson, 26 August 1820 (Jefferson Papers)