1900 Speech on'The Disappearance of Literature' at the Nineteenth Century Club, 20 Nov. Quoted in Albert Bigelow Paine (ed) MarkTwain's Speeches (1910).
Samuel Johnson (2010). “Journey to the Hebrides: A Journey to the Western Islands of Scotland & The Journal of a Tour to the Hebrides”, p.183, Canongate Books
Fragment 465; translation by A. W. Bulloch, in P. E. Easterling and B. M. W. Knox (eds.) "The Cambridge History of Classical Literature" (1989) vol. 1, part 4, p. 30,