These sites provide in-depth information on requesting copyright permission.
Plan ahead when requesting copyright permission directly from the copyright holder. It may take several weeks—or even longer—to identify and locate the copyright holder and to receive a reply to your request.
For most print and online publications, the publisher is usually the copyright holder.
If a copyright holder is deceased, contact the executor of his estate.
At the minimum, your permission request should include the following:
It is important to note that a lack of response from the copyright holder does not, under U.S. law, convey permission. In addition, some works may contain materials—text, images and graphics—from multiple copyright holders and may require separate authorization from each one. Also, simply acknowledging the source of content is not a substitute for copyright permission.
Obtaining copyright permission is often needed when using copyrighted-protected works, that exceeds fair use or the TEACH Act, for course material, posting on a web site, or use in a Course Management System, such as Desire2Learn.
The following web sites have good resources to help you to understand and obtain copyright permission of copyrighted-protected works.