John Dryden (1717). “The Dramatick Works of John Dryden, Esq: Don Sebastian, king of Portugal. Amphitryon: or, The two Sosia's. Cleomenes, the Spartan heroe. King Arthur. Love triumphant”, p.37
Edward Young, John Doran, James Nichols (1854). “The Complete Works, Poetry and Prose of the Rev. Edward Young, LL.D.: Revised and Collated with the Earliest Editions. To which is Prefixed A Life of the Author”, p.243