"Ted Nugent Calls Himself 'A Black Jew at Nazi-Klan Rally,' Stands by Obama Beheading Statement" by Jordan Zakarin, www.hollywoodreporter.com. April 18, 2012.
Martin Van Buren (2009). “Messages and Papers of the Presidents: Martin Van Buren, William Henry Harrison, John Tyler, James K. Polk”, p.1825, Wildside Press LLC