Art Cyclopedia
Artcyclopedia: Artists by Movement: The Ashcan School
This site has a description of the artists from this movement with links to their art in various museums.
ArtLex
Art Lex: Sculpture in the Round Making a Portrait in Clay
Artlex discusses two kinds of portraiture, caricatures and realistic portraits, as part of a lesson plan with step-by-step instructions on how to make a bust out of clay. An interesting game, "Who the Heck Is That?," asks the participant...