Copyright
Here are sites with concise and easily understood copyright information. Be advised that the site explaining USD 501's copyright take precedence.
USD 501's Copyright Policy
A brief intro to copyright http://www.templetons.com/brad/copyright.html
Copyright Chart http://204.98.1.2/plmc/copyright.html#Teachers
Copyright Management Center: Purdue University http://www.iupui.edu/~copyinfo/home.html
The Copyright Website http://www.benedict.com
Fair Use of Copyrighted Works http://www.utsystem.edu/ogc/intellectualproperty/copypol2.htm
Fair Use Guidelines for Educational Media http://www.utsystem.edu/OGC/IntellectualProperty/ccmcguid.htm
Findsame.com http://findsame.com/
USD 501's Copyright Policy
A brief intro to copyright http://www.templetons.com/brad/copyright.html
Copyright Chart http://204.98.1.2/plmc/copyright.html#Teachers
Copyright Management Center: Purdue University http://www.iupui.edu/~copyinfo/home.html
The Copyright Website http://www.benedict.com
Fair Use of Copyrighted Works http://www.utsystem.edu/ogc/intellectualproperty/copypol2.htm
Fair Use Guidelines for Educational Media http://www.utsystem.edu/OGC/IntellectualProperty/ccmcguid.htm
Findsame.com http://findsame.com/