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Grace, Stephanie (January 26, 1999). "Ex-Gov. Treen to run for Congress". The Times-Picayune. New Orleans. p. 3A. Retrieved May 2, 2020 – via NewsBank.
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"TREEN, David Conner (1928-2009)". Biographical Directory of the United States Congress. U.S. Congress. Archived from the original on June 30, 2019. Retrieved April 26, 2020.
Ogburn, Anne (January 30, 2014). "Dave Treen Sr". 64 Parishes. Louisiana Endowment for the Humanities. Archived from the original on September 21, 2015. Retrieved April 27, 2020.
Gordon, Vivian Hopp (September 22, 2014). "Edwards v. Aguillard". Encyclopedia Britannica. Archived from the original on September 15, 2015. Retrieved April 27, 2020.