Official site. Includes biography, bibliography, discography, art works, concerts, and online purchasing.

Wikipedia article with summary of his brief life and varied talents, internal references, and links.

Find A Grave entry with brief biography, portrait photo, and pictures of grounds where his ashes remain.

Filmography noting posthumous contributions as writer and illustrator from the Internet Movie Database.

Biographical essay focusing on his humor from BBC h2g2.

Text of a humorous monologue delivered as part of a speech to the Oxford Union.