William Shakespeare (1823). “The Dramatic Works of William Shakspeare: From the Text of Johnson, Stevens, and Reed; with Glossarial Notes, His Life, and a Critique on His Genius & Writings”, p.127
"Michael Douglas Talks AND SO IT GOES, Playing Unlikable Characters, Working with Diane Keaton for the First Time, Not Liking His Canine Co-Star and More". Interview with Perri Nemiroff, collider.com. July 21, 2014.