"Copyright Renewal 1957" is a compendium of information on the extension and renewal of copyrights in literary works, published in 1957 by the Library of Congress and the Copyright Office. This book collects data on books published before 1950 for which copyright renewal applications have been submitted. This document has become an integral part of information for the accounting and protection of intellectual property and compliance with copyright. "Copyright Update 1957" is an important resource for research in the field of literary studies and copyright, and provides an opportunity to learn about works that remain under copyright protection.