1John Adams to Thomas Jefferson, 14 June 1813 (Jefferson Papers)
Bible; Ecclesiastes referenced [index entry]
2Thomas Jefferson to Amos J. Cook, 21 January 1816 (Jefferson Papers)
Bible; Ecclesiastes referenced by TJ [index entry]
3John Adams to Thomas Jefferson, 3 May 1816 (Jefferson Papers)
Bible; Ecclesiastes referenced [index entry]