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Downey, Brian. “10-Pounder Parrott Rifled Muzzleloader”. Antietam. aotw.org. Antietam on the Web, 1996-2011. 1 Feb. 2011. <http://antietam.aotw.org/weapons.php?weapon_id=8>.

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3  Feb. 2011. <http://www.americanrevolution.org/artillery.htm>. (Cannot be found anymore)