ArtLex
Art Lex: Surrealism
This Artlex website gives a detailed definition of Surrealism including its founder, influences, examples of this type of art, and its relationship to dadaism.
Martin Lawrence Galleries
Martin Lawrence Galleries: Fanny Brennan
Brennan's work is very similar to that of Rene Magritte except that she is a printmaker. She enjoys working in small scale which compliments her simplicity.
National Gallery of Art
National Gallery of Art: m.c. Escher Collection
A list of the Escher works in the National Gallery of Art's collection, some with images available.
Other
Dada Online: Francis Picabia
At Dada Online, information is given on the French Dadaist painter, Picabia.
Other
Dada Online: Hans Richter
Learn all about this Dada painter and graphic artist, Hans Richter, at this Dada Online site.
CGFA
Carol Gerten Fine Arts: Marc Chagall: I and the Village
This entry from CGFA provides the painting of Chagall entitled "I and the Village", which represents his finer works of the period.