William Shakespeare, Thomas Dolby (1872). “Dictionary of Shakespearian Quotations: Exhibiting the Most Forcible Passages, Illustrative of the Various Passions, Affections and Emotions of the Human Mind”, p.182
William Shakespeare, Edmond Malone, James Boswell, Samuel Johnson, Mr. Theobald (Lewis) (1821). “The Plays and Poems of William Shakspeare: With the Corrections and Illustrations of Various Commentators”, p.20
William Shakespeare (1772). “The Works of Shakespeare in Twelve Volumes: Collated with the Oldest Copies and Corrected: with Notes Explanatory and Critical”, p.246