Richard Henry Lee, Mercy Otis Warren (1962). “An Additional number of letters from the Federal farmer to the Republican, leading to a fair examination of the system of government, proposed by the late Convention: to several essential and necessary alterations in it; and calculated to illustrate and support the principles and positions laid down in the preceding letters. Together with Oberservations on the new Constitution, and on the Federal and State Conventions by a Columbian patriot”
Zebulon Montgomery Pike, Thomas Rees (1811). “Exploratory Travels Through the Western Territories of North America: Comprising a Voyage from St. Louis, on the Mississippi, to the Source of that River, and a Journey Through the Interior of Louisiana, and the North-eastern Provinces of New Spain ; Performed in the Years 1805, 1806, 1807, by Order of the Government of the United States”, p.268
James Madison, Gaillard Hunt, James Brown Scott (1999). “The Debates in the Federal Convention of 1787: Which Framed the Constitution of the United States of America”, p.690, The Lawbook Exchange, Ltd.