Address at the "Sorbonne Scientific Soirée" on April 7, 1864. "The Life of Pasteur". Book by René Vallery-Radot, translated by R .L. Devonshire, p. 142, archive.org. 1902.
Margaret Visser (2010). “Much Depends on Dinner: The Extraordinary History and Mythology, Allure and Obsessions, Perils and Taboos of an Ordinary Mea”, p.76, Grove/Atlantic, Inc.