James C. Humes, Benjamin Franklin (1995). “The wit and wisdom of Benjamin Franklin: a treasury of more than 900 quotations and anecdotes”, Harpercollins
Benjamin Franklin, William-Temple Franklin (1818). “Memoirs of the Life and Writings of (the Same), Continued to the Time of His Death by William Temple Franklin. - London, H. Colburn 1818”, p.396
Joseph Conrad (2015). “Joseph Conrad Ultimate Collection: 18 Novels, 20+ Short Stories, Letters & Memoirs: Including Classics like Heart of Darkness, Lord Jim, The Duel, The Secret Agent, Nostromo, Victory, The Shadow-Line & Under Western Eyes”, p.2778, e-artnow