Ralph Waldo Emerson, Alfred R. Ferguson (1965). “Journals and Miscellaneous Notebooks of Ralph Waldo Emerson, Volume V: 1835-1838”, p.142, Harvard University Press
William Shakespeare, Thomas Dolby (1832). “The Shakespearian Dictionary, Forming a General Index to All the Popular Expressions, and Most Striking Passages in the Works of Shakespeare, from a Few Words to Fifty Or More Lines ... By T. Dolby”, p.60