Rock and Roll Hall of Fame: Creedence Clearwater Revival
CCR was inducted into the Rock and Roll Hall of Fame in 1993. John Fogerty, who became estranged from the rest of the group, including his own brother Tom Fogerty, performed at the ceremony alongside Bruce Springsteen.
Official Creedence Clearwater Revival Fan Site
This website has a ton of good information about Creedence, including a complete discography, photos, song lyrics, and pretty much everything else you could want.
Rolling Stone: CCR
Yet another good biography of their years as a band and beyond.