Thomas Jefferson (2011). “The Papers of Thomas Jefferson, Retirement Series, Volume 7: 28 November 1813 to 30 September 1814”, p.248, Princeton University Press
Benjamin Franklin (1817). “The private correspondence of Benjamin Franklin, LL.D, F.R.S., &c. Minister Plenipontentiary from the United States of America at the court of France, and for the Treaty of Peace and Independence with Great Britain, &c. &c: comprising a series of letters on miscellaneous, literary, and political subjects written between the years 1753 and 1790, illustrating the memoirs of his public and private life, and developing the secret history of his political transactions and negociations”, p.69