Thomas Otway, Roger Boyle Earl of Orrery (1703). “The Orphan, Or, The Unhappy-marriage: A Tragedy, as it is Acted at His Royal Highness the Duke's Theatre”, p.12
John Ruskin, Louisa Caroline Tuthill (1872). “The True and the Beautiful in Nature, Art, Morals, and Religion, Selected from the Works of John Ruskin”, p.408