John Milton (1824). “The Poetical Works of John Milton: With Notes of Various Authors, Principally from the Edition of Thomas Newton, Charles Dunster, and Thomas Warton, to which is Prefixed, Newton's Life of Milton”, p.425
John Milton, Henry John Todd (1809). “The Poetical Works of John Milton,: With Notes of Various Authors. To which are Added Illustrations, and Some Account of the Life and Writings of Milton,”, p.114
John Milton, Henry John Todd (1852). “The Poetical Works of John Milton: With Notes of Various Authors; and with Some Account of the Life and Writings of Milton, Derived Principally from Original Documents in Her Majesty's State-paper Office”, p.396