Artcyclopedia: Mannerism - Offers a description of the art style which gained popularity in the period following the High Renaissance, and a chronological list of mannerist artists.
ArtLex: Mannerism - Includes examples of work done in the European style that developed between 1520 and 1600.
Wikipedia: Mannerism - Hyperlinked overview of the art movement that emerged after the Sack of Rome that shook Renaissance confidence, humanism, and rationality.
