1Thomas Jefferson to Levett Harris, 21 July 1818 (Jefferson Papers)
Alexander I, emperor of Russia; diplomatic appointments [index entry]
2Levett Harris to Thomas Jefferson, 2 July 1818 (Jefferson Papers)
Alexander I, emperor of Russia; diplomatic appointments [index entry]
3John Armstrong to Thomas Jefferson, 19 September 1809 (Jefferson Papers)
Alexander I, emperor of Russia; diplomatic appointments [index entry]