1925 - The Year in Review
illustrates the rich diversity of styles being used in Western art at the time, and emphasizes the enduring vitality of these works
http://www.artchive.com/1925/1925.html

Art Movements Directory
reference guide to the major art movements and periods
http://uk.dir.yahoo.com/Arts/Art_History/Periods_and_Movements/

Art Movements and Periods
descriptions of major art movements
http://www.cftech.com/BrainBank/OTHERREFERENCE/THEARTS/ArtMvmtsandPeriods.html

E-FineArt.com: Art Movements
features summary of several art styles and movements in the 1900s
http://www.e-fineart.com/art_movements.html

Rebels: Painters and Poets of the 1950s
exhibition from the National Portrait Gallery
http://www.npg.si.edu/exh/rebels/index2.htm