Thomas Jefferson, Nathaniel Francis Cabell, Joseph Carrington Cabell (1856). “Early History of the University of Virginia: As Contained in the Letters of Thomas Jefferson and Joseph C. Cabell, Hitherto Unpublished; with an Appendix, Consisting of Mr. Jefferson's Bill for a Complete System of Education and Other Illustrative Documents; and an Introduction, Comprising a Brief Historical Sketch of the University, and a Biographical Notice of Joseph C. Cabell”, p.366
"A Subaltern's Furlough : Descriptive of Scenes in Various Parts of the United States, Upper and Lower Canada, New Brunswick and Nova Scotia during the Summer and Autumn of 1832" by Edward Thomas Coke, Ch. 9, p. 145, 1833.
Thomas Jefferson (1853). “The writings of Thomas Jefferson: being his autobiography, correspondence, reports, messages, addresses, and other writings, official and private”, p.492