Protect works of authorship, such as writings, music, and works of art that have been tangibly expressed. The Library of Congress registers copyrights which last for the life of the author plus 70 years.
— see Copyrights for more
As a work of the United States Government, this glossary falls under the provisions of 17 U.S.C. § 403, which requires that works including all or part of this material in a copyrighted work contain a statement in their copyright that clearly identifies what portions of the work consist of a work of the U.S. Government. Failure to do so could result in loss of copyright protection for the entire work.