http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Copyright registration for pictorial, graphic, and sculptural works
In scope of the U.S. Government Publishing Office Cataloging and Indexing Program (C&I) and Federal Depository Library Program (FDLP).
GPO Cataloging Record Distribution Program (CRDP).
Copyright registration for works of the visual arts
Circular (Library of Congress. Copyright Office) ; 40