The book "American Copyright, Renewal 1973 January - June" was compiled by authors from the Library of Congress and the Copyright Office. This book is a comprehensive reference listing the copyrights that were renewed in the United States in the first half of 1973. The collection includes information about authors, titles of works, dates of renewal and other important data. The document certifies compliance with copyright legislation and is a reliable source of information for all interested parties. "US Copyright, Revised 1973 January - June" will be a useful resource for studying the history of copyright and intellectual property ownership in the United States.