"La Philosophie comme manière de vivre: Entretiens avec Jeannie Carlier et Arnold I. Davidson" by Pierre Hadot, Jeannie Carlier, Arnold I. Davidson, Paris: Albin Michel, translated by Michael Chase, (p. 271), 2001.
James ELMES, Sir Christopher Wren (1852). “Sir Christopher Wren and his times. With illustrative sketches and anecdotes of the most distinguished personages in the seventeenth century”, p.100