Alphonse de Lamartine (1849). “History of the Girondists: Or, Personal Memoirs of the Patriots of the French Revolution. From Unpublished Sources”, p.455
"Les Confidences: Confidential Disclosures" by Alphonse de Lamartine, translated by Eugène Plunkett, New York: D. Appleton & Co., (Book IV, Note VIII, p. 60), 1857.