Chart for Determining Public Domain Status
http://www.unc.edu/~unclng/public-d.htm

Citing Web Resources 
http://www.connectedteacher.com/newsletter/citeintres.asp

Copyright Act, USC TITLE 17 - (Cornell)
http://www4.law.cornell.edu/uscode/17/

Copyright and Intellectual Property Resources  
http://www.ifla.org/II/cpyright.htm

Copyright Management Center (U.of Texas)
http://www.utsystem.edu/OGC/IntellectualProperty/cprtindx.htm

Copyright Resources On-Line
http://www.library.yale.edu/~okerson/copyproj.html

Copyright Sites (Penn State)  
http://www.libraries.psu.edu/avs/copyright_sites.html

Fair Use and Higher Education
http://www.iupui.edu/~copyinfo

Fair Use for Multimedia and  Distance Learning (Penn State)
http://www.libraries.psu.edu/mtss/fairuse/default.html

U.S. Copyright Office Home Page 
http://lcweb.loc.gov/copyright/