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
Samuel Taylor Coleridge (1854). “The Complete Works of Samuel Taylor Coleridge: With an Introductory Essay Upon His Philosophical and Theological Opinions”, p.476