Other
Surrealism.org: Links to Artists of Surrealism
This website from Surrealism.org has on several Surrealists including Salvador Dali, Rene Magritte, and Max Ernst.
Other
University of Wolverhampton: What Is Surrealism?
Andre Breton's manifesto speech at a meeting in 1934 defining the Surrealism movement and its relation to Dadaism, World War I, and culture. (Very technical and in-depth.)
Art Cyclopedia
Artcyclopedia: Artists by Movement: Surrealism
A brief description of surrealistic art with a long list of artists associated with this art form.