1Thomas Jefferson to Elkanah Watson, 8 May 1817 (Jefferson Papers)
Bible; Ecclesiastes referenced by TJ [index entry]
2Thomas Jefferson to John Holmes, 8 July 1820 (Jefferson Papers)
Bible; Ecclesiastes referenced by TJ [index entry]
3Samuel Wood to Thomas Jefferson, 3 March 1821 (Jefferson Papers)
Bible; Ecclesiastes referenced [index entry]
4Thomas Jefferson to Archibald Thweatt, 24 December 1821 (Jefferson Papers)
Bible; Ecclesiastes referenced by TJ [index entry]