George R. R. Martin (2012). “George R. R. Martin's A Game of Thrones 5-Book Boxed Set (Song of Ice and Fire Series): A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and and A Dance with Dragons”, p.1746, Bantam
Quoted in Susan Boylston Adams Clark, Letter to Abigail Louisa Smith Adams Johnson, 9 July 1826. In fact, Jefferson had died a few hours earlier on this, the fiftieth anniversary of the Declaration of Independence. Eliza Quincy, in her 1861 memoirs, wrote that the last words Adams spoke distinctly were "Thomas Jefferson"; the rest of the sentence, she noted, was inarticulate. See Jefferson 55