A Dartmouth College site with a biography of Dostoevsky and links to great scholarly articles on the novel.
This Library of Congress country study provides useful historical and social context about Dostoevsky's Russia.
Full-text version of the novel, translated into English by Constance Garnett.
Sigmund Freud wrote a famous study of Dostoevsky's The Brothers Karamazov called "Dostoevsky and Parricide" (found in Writings on Art and Literature) in which he argued that Dostoevsky was working out his guilt about wishing for his father's death. You can check out a preview of the essay on Google Books.
A super useful book. This link goes to the Google Book preview, which gives you lots of space to search and browse within the book.
A film adaptation starring Yul Brenner as Dmitri Karamazov.
A British television adaptation.
A Soviet-era film that was nominated for an Oscar.
An unabridged amateur (and free!) audio book from LibriVox.
Vasily Perov's famous portrait of the author.