"From his first job on the milkround to life as a Monaco millionaire: the late Sir Roger Moore on the subject of money". Telegraph Interview, www.telegraph.co.uk. May 24, 2017.
John Muir (1997). “Nature Writings: The Story of My Boyhood and Youth, My First Summer in the Sierra, the Mountains of California, Stickeen, Selected Essays”, p.225, Library of America
Henry George Bohn, John Ray (1855). “A Hand-book of Proverbs: Comprising Ray's Collection of English Proverbs, with His Additions from Foreign Languages. And a Complete Alphabetical Index”, p.364
Miguel de Cervantes Saavedra, Quixote de la Mancha (don, fict.name.) (1847). “The history of don Quixote de la Mancha. From the Span. To which is prefixed a sketch of the life and writings of the author. Select libr. ed”, p.186