John Milton (1873). “The Poetical Works of John Milton: With a Life of the Author, Preliminary Dissertations on Each Poem, Notes Critical and Explanatory, an Index to the Subjects of Paradise Lost, and a Verbal Index to All the Poems”, p.482
John Milton (1801). “The Poetical Works of John Milton: With the Principal Notes of Various Commentators. To which are Added Illustrations, with Some Account of the Life of Milton”, p.160