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.508
John Milton, James BUCHANAN (Grammarian.) (1773). “The First Six Books of Milton's Paradise Lost, Rendered Into Grammatical Construction ... With Notes ... To which are Prefixed Remarks on Ellipsis and Transposition ... By J. Buchanan”, p.321