11George Divers to Thomas Jefferson, 28 February 1820 (Jefferson Papers)
medicine; bloodletting [index entry]
12Elizabeth Trist to Thomas Jefferson, 19 February [1821] (Jefferson Papers)
medicine; bloodletting [index entry]
13Joseph C. Cabell to Thomas Jefferson, 28 April 1821 (Jefferson Papers)
medicine; bloodletting [index entry]
14John Wayles Eppes to Thomas Jefferson, 8 December 1821 (Jefferson Papers)
medicine; bloodletting [index entry]
15Francis Eppes to Thomas Jefferson, 13 May 1822 (Jefferson Papers)
medicine; bloodletting [index entry]
16Thomas G. Watkins to Thomas Jefferson, 15 September 1822 (Jefferson Papers)
medicine; bloodletting [index entry]