CDC: Center for Disease Control and Prevention, (2009).
CDC Injury Center publications. This source has reports ranging from 2001 to 2006. Retrieved Jult 17, 2009 from
http://www.cdc.gov/HomeandRecreationalSafety/Playground-Injuries/playgroundinjuries-factsheet.htm .
National Program for Playground Safety is nearly a one-stop-shop for finding resources. It provides links for training and development, research, standards and etcetera. However, it has not been updated since 2006.
Retrieved July 17, 2009 from
http://www.uni.edu/playground/ .
U. S. Consumer Product Safety Commission, (2008). This is the authority for all safety standards. Provided by this site is a well organized matrix containing handbooks, checklists, and other literature in HTML and/or PDF. Retrieved July 17, 2009 from
http://www.cpsc.gov/CPSCPUB/PUBS/playpubs.html.
There will be more to come.