Here is a link that has biographical information about many, many major artists. http://www.ibiblio.org/wm/paint/auth/

Here is a site that lists information about different art movements, as well as having an artist search that takes you to links about the artist, museums that house his work, and pictures of their work.  http://www.artcyclopedia.com/

This site has a timeline of art history. http://www.metmuseum.org/toah/splash.htm

This site offers adventure and activities with art. http://www.metmuseum.org/toah/splash.htm

Artist cards to make notebooking pages can be found here:  http://www.montessorimaterials.org/art/artists.pdf

An Adventure in Art History can be found here: http://eduweb.com/insideart/index.html

Art History Adventures can be found here: http://eduweb.com/pintura/index.html