The document discusses copyright and how it protects original creative works even without a visible copyright symbol. It notes that authors usually apply for an official copyright through the U.S. Copyright Office for books and other works. Material found online is also protected by copyright law, and there are different rules for educational versus commercial use of copyrighted content, such as obtaining permission from the copyright owner.
8. Find out who owns the material you
want to use. Many web sites have a term
of use page that lets you know who owns
the material and what you can and
cannot use from the site.
Write a letter to the copyright owner and
ask for written permission to use the
material.
Cite your source in a footnote, endnote,
or credit line.