Biographical

Biographical

Biographical Dictionary http://www.s9.com/biography/

Biography.com http://www.biography.com/

Who2? http://www.who2.com/

POTUS http://www.ipl.org/ref/POTUS

President of the United States http://www.whitehouse.gov/history/presidents/index.html

Presidents of the United States http://www.presidentsusa.net/