Artists                 Art Education       Art History       Clip Art       Museums & Exhibits          Photography

  AskArt. 2000-2007. <http://www.askart.com/>.

  Haven, Janet. Going back to Iowa: the world of Grant Wood. University of Virginia American Studies Program. <http://xroads.virginia.edu/~MA98/haven/wood/home.html>.

  M.C. Escher: the official website.  <http://www.mcescher.com/>.

  The Railway by Edouard Manet.  National Gallery of Art.2007.  <http://www.nga.gov/collection/railwel.htm>.

   Picasso: The Early Years, 1892-1906.  National Gallery of Art. 2007.  <http://www.nga.gov/education/picteach.htm>.