William Shakespeare, Warne Routledge (and Routledge (Londres)), William Hazlitt (1864). “The Dramatic Works of William Shakspeare: From the Text of Johnson, Stevens, and Reed with Glossarial Notes, Life &c. : in Four Volumes”, p.679
Dr. Robert C. Worstell, James Breckenridge Jones, Napoleon Hill (2015). “Think and Grow Rich, Updated and Complete - With If You Can Count to Four...”, p.34, Lulu.com