John Milton (1824). “The poetical works of John Milton: with notes of various authors, principally from the editions of Thomas Newton, Charles Dunster and Thomas Warton ; to which is prefixed Newton's life of Milton”, p.263
John Milton (2013). “Paradise Lost Simplified!: Includes Modern Translation, Study Guide, Historical Context, Biography, and Character Index”, p.508, BookCaps Study Guides
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.352