William Faulkner on the Web
This comprehensive Faulkner site is maintained by Ole Miss, where Faulkner studied and occasionlly worked. It provides not only biographical information about the author, but also a wealth of commentary on all of Faulkner's novels and links to many of his essays and speeches.
William Faulkner Special Collection
Hosted by the Special Collections Library at the University of Michigan, this site contains information on Faulkner's life and work.