This site answers common questions concerning copyright exceptions, joint authorship, transfer of copyright and other issues.
How to obtain Permission to Use Copyrighted Work
A step-by-step guide to securing permission to use copyrighted works.
Publisher Copyright Policies
This site provides a searchable database of publishers' permissions concerning copyright transfer agreements
Sample Copyright Permission Letter
Pre-formatted letter that allow you to just fill in the blanks.
Register Your Copyright
Secure your copyright through the U.S. Copyright Office
Creative Commons provides license agreements that provide more flexibility than U.S. Copyright Law.
Elsevier - Author's rights
Wiley-Blackwell – Author's rights