The works by Grigori Grabovoi are protected by registration in various structures for copyright registration including the Copyright Registration Office of the Library of Congress of USA:
- TX 7-324- 403 dated 06 February 2008,
- ТХu 1-607-600 of 08 February 2008,
- TX 7-049-203 of February 12, 2008,
- TX 6-975-628 of February 13, 2008 (view data on the official site in a network of the Internet: ТХ0006975628/2008-02-13),
- TXu 1 — 789-751 of 25 July 2011.
The address of the official site, the Copyright office of the Library of Congress containing the registration data
www.cocatalog.loc.gov.
Address of the Copyright office of the Library of Congress of the United States of America is Library of Congress United States, the Copyright Office, 101 Independence Avenue SE Washington, DC 20559-6000.