Samuel Johnson (1818). “A Dictionary Of The English Language; In Which The Words Are Deduced From Their Originals; And Illustrated In Their Different Significations, By Examples From The Best Writers: Together With A History of the Language, and an English Grammar”, p.7
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
Wolfgang Mieder, Winston Churchill (1995). “The Proverbial Winston S. Churchill: An Index to Proverbs in the Works of Sir Winston Churchill”, Westport, Conn. : Greenwood Press