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
Albert Einstein, Stephen W. Hawking (2007). “A Stubbornly Persistent Illusion: The Essential Scientific Works of Albert Einstein”, p.337, Running Press
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