“To Benjamin Franklin from Daniele Andrea Dolfin, 18 June 1783,” Founders Online, National Archives, https://founders.archives.gov/documents/Franklin/01-40-02-0114. [Original source: The Papers of Benjamin Franklin, vol. 40, May 16 through September 15, 1783, ed. Ellen R. Cohn. New Haven and London: Yale University Press, 2011, pp. 192–193.]