Copyright and Fair Use of Materials for Teaching
Copyright Resources from the Indiana University Kokomo Library
Fair Use Analysis Tool from the University of Minnesota Libraries lets you conduct an analysis of four factors to assist you in judging whether your planned used of copyrighted materials fits the nature of Fair Use for teaching. Their site also gives you an explanation of what is Fair Use and how to work with it.
The Columbia University Libraries/Information Services Copyright Advisory Office provides a Fair Use Checklist as well as an explanation of Fair Use and other rights of use.