Flavorwire: Charts and Diagrams Drawn by Famous Authors
I have a stash of these types of images in my writing reference folder, but Flavorwire links to some I haven’t seen yet. Diving down into the individual [via] links to the original articles on each chart is a must – Without it I wouldn’t have landed on this cool page page of Faulkner’s maps of Yoknapatawpha County.

Pretty much everyone includes this chart of JK Rowling’s characters and stories, but I haven’t posted it on any of my own writing yet, so here you go:

This Vonnegut video they include is nice, too: