Here are some links to articles you may find interesting!

   Developmentally Appropriate Practice- by Rebecca Novick, Ph.D

        http://www.nwrel.org/cfc/publications/DAP2.html

   An excerpt from The Importance of Fantasy Play by Vivian Gussin Paley

        http://www.press.uchicago.edu/Misc/Chicago/644871.html

   The Child and Family Web Guide- Tufts University

         http://www.cfw.tufts.edu/