William Shakespeare (2013). “The Wars of the Roses In Plain and Simple English: Includes Henry VI Parts 1 - 3 & Richard III, Richard II, Henry IV Parts 1 and 2, and Henry V”, p.786, BookCaps Study Guides
George Lillo (1810). “Fatal curiosity, a tragedy. Marina, a play. Elmerick; or, Justice triumphant, a tragedy. Britannia and Batavia, a masque. Arden of Feversham, a tragedy”, p.126