The official O'Connor site on the web, particularly for researchers. Has biography, resources, and also manages access to O'Connor's manuscripts (not online).
Another good O'Connor resource on the net. Has biography, essays, links, etc.
The website for the Andalusia Foundation, dedicated to preserving and promoting the understanding of O'Connor's work. It's also responsible for preserving her farmhouse.
An online version of the story at Pegasus.
Jeri Cain Rossi's 1992 adaptation of the story. Fifteen minutes.
Artist Sufjan Stevens wrote and recorded a song inspired by the story. Here's a live video of him performing the song.
Perhaps the most famous photo of Flannery O'Connor.
A crutch-bound Flannery with one of her peacocks.
Flannery O'Connor's farmhouse near Milledgeville, Georgia.
Flannery's desk and typewriter.
The original cover for the 1955 collection, A Good Man is Hard to Find.