^'Report and Collections of the State Historical of Wisconsin,' volume VII, Reuben Gold Thwaites, Wisconsin Historical Society: 1876, Fifty-four Years Recollections of Men and Events in Wisconsin, Albert G. Ellis, Biographical Sketch of Robert Irwin, Jr. pg. 250-253
^'From Exploration to Statehood: History of Wisconsin,' Alice E. Smith, Wisconsin Historical Society: 2013, p. 212.
^Jones, J. E. 1914. A History of Columbia County Wisconsin. Vol. 1. Chicago: Lewis Publishing Company, p. 77.