This is a brochure distributed by Loudoun County Public Schools. It addresses basic questions and answers concerning copyright issues in the classroom.

This is a link to Columbia University's web page about Fair Use.  It includes a "Fair Use Checklist" which can help you decide if clipping, cutting, pasting, uploading, posting and other activities might be a copyright infringement or may be within fair use guidelines.

This is a slider that helps you identify whether works published in the US are protected by copyright.