In the age of photocopies and electronics, teachers, libraries, students and researchers need to be aware of copyright boundaries. Here is a brief list of resources that outline the interesting and dynamic history of copyright law and offer helpful guidelines for when and how to obtain copyright permission.
Aoki, Keith, James Boyle, and Jennifer Jenkins. Tales from the Public Domain: Bound by Law? Keith Aoki, James Boyle and Jennifer Jenkins (Duke Center for the Study of the Public Domain): Creative Commons Deed, 2006.
Austin, Brice. Reserves, Electronic Reserves, and Copyright: The Past and the Future. New York: The Haworth Information Press, Inc., 2004.
Stim, Richard (Attorney). Getting Permission: How to License and Clear Copyrighted Materials Online and Off. 3rd ed. Berkeley: Nolo, 2007.