U.S. Copyright Office Public Records System
https://publicrecords.copyright.gov/help
WebThe homepage search bar performs a Simple Keyword Search. You can enter Registration Numbers, Document Numbers, or Standard Identifiers, such as ISBN, ISSN, or ISRC, using Keyword Search. The dropdown also allows you to search by Name and Title. Names can be entered by first and last such as Mary Smith. Results will be ranked by relevance.
DA: 44 PA: 38 MOZ Rank: 86