Wikimedia
Wikipedia: David Robinson
Wikipedia offers a brief biography of retired NBA great David Robinson, dealing mostly with the history of his career. Includes many in-text links to related topics.
Alabama Humanities Foundation
Encyclopedia of Alabama: Charles Barkley
Charles Barkley is featured in this biographical essay highlighting his Hall of Fame career as an NBA basketball player.
Other
B Ball one.com: Nba Basketball Players: David Robinson
BBallOne.com has a short biography, a gallery of action pictures, and lots of facts and statistics on retired NBA player David Robinson.