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.381
Samuel Taylor Coleridge (1853). “The Complete Works of Samuel Taylor Coleridge: With an Introductory Essay Upon His Philosophical and Theological Opinions”, p.611