^Bell, David A. "Culture and Religion." Old Regime France: 1648-1788. Ed. William Doyle. Oxford [u.a.: Oxford Univ., 2003. 78-104. Print.
^Whether or not the Procopio was an addition to his name, his son, naturalised as Michel Procope-Couteau (1684–1753), was a doctor of medicine, a Freemason by 1727, a writer, wit and bon vivant who became a librarian at the Faculty of Medicine late in life. (Gordon R. Silber, "In Search of Helvetius' Early Career as a Freemason" Eighteenth-Century Studies15.4 (Summer 1982, pp. 421-441) pp 432ff.