William Shakespeare (2013). “Second Tetralogy In Plain and Simple English: Includes Richard II, Henry IV Parts 1 and 2, and Henry V”, p.765, BookCaps Study Guides
John Selden (1800). “The Table-talk: Of John Selden, Esq. Being His Sense of Various Matters of Weight and High Consequence; Relating Especially to Religion and State”, p.75