• U.S. Copyright Office
  http://www.loc.gov/copyright/
• The Technology, Education and Copyright Harmonization (TEACH) Act
  http://www.arl.org/pp/ppcopyright/copystatutes/teach.shtml
• Stanford University Libraries
  http://fairuse.stanford.edu/
• Copyright Crash Course, University of Texas
  http://www.utsystem.edu/ogc/intellectualproperty/cprtindx.htm  

Determining the Need to Get Permission

• When Works Pass Into the Public Domain - Chart prepared by Laura Gasaway,
  University of North Carolina Law Library
  http://www.unc.edu/~unclng/public-d.htm
• How to investigate the copyright status of a work, Prepared by U.S. Copyright Office
  http://www.copyright.gov/circs/circ22.html

Where to Get Permission

• The Campus Guide to Copyright Compliance for Academic Institutions
  http://www.copyright.com/Services/copyrightoncampus/
• The Copyright Clearance Center - for articles, book chapters
  http://www.copyright.com/
• Public Domain Resources (Kansas State University) - links to
  permission resources for all types of materials and other copyright information
  http://www.k-state.edu/academicpersonnel/intprop/prod.htm 

How to Request Permission

• How to Request Copyright Permission from Publishers, Association of American Publishers
  http://www.publishers.org/about/higheredpermission.cfm
• Tips to Consider When Requesting Permission, Association of American Publishers
  http://www.publishers.org/main/Copyright/Copy/CopyRightsPermComittee/copyRightsPermComittee_01_03.htm
• IUPUI Copyright Permissions Office
  http://copyright.iupui.edu/permhome.htm