"Biographies of Distinguished Scientific Men". Book by François Arago, as translated by Baden Powell, Robert Grant, and William Fairbairn, p. 365, 1859.
Francis Bacon, Basil Montagu (1821). “A critique of Bacon's "Novum Organum," by Basil Montagu, extracted from the Retrospective Review, 1821. Few MS. notes”, p.285