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.920
William Shakespeare, Andrew Williams (2013). “Textausgabe + Lektüreschlüssel. William Shakespeare: Hamlet: Reclam Textausgabe + Lektüreschlüssel”, p.94, Reclam Verlag
William Shakespeare, John Payne Collier, Charles Knight (1847). “Romeo and Juliet. Othello. Hamlet. Macbeth. King Lear. Cymbeline. Timon of Athens. Coriolanus. Julius Caesar. Anthony and Cleopatra. Troilus and Cressida. Titus Andronicus. Pericles”
William Shakespeare (2013). “Making Sense of Hamlet! a Students Guide to Shakespeare's Play (Includes Study Guide, Biography, and Modern Retelling)”, p.201, BookCaps Study Guides