"U.S. Copyright Renewals, July-December 1951" is a collection of publications containing information on copyright renewals for books published in the second half of 1951. Thanks to this book, authors, publishers and researchers can establish the copyright status of works, allowing to transparently determine which of them can be used under the conditions established by law. This publication is an important resource for bibliophiles and anyone interested in the history and intellectual property rights in the United States.