Zebulon Montgomery Pike (1972). “Zebulon Pike's Arkansaw Journal: In Search of the Southern Louisiana Purchase Boundary Line (interpreted by His Newly Recovered Maps).”, Greenwood Publishing Group
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
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.145
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.188
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.186