Tools for researching for US copyrights that have expired into the public domain

Tools for researching for US copyrights that have expired into the public domain.

This is a supplement to a series of TikTok videos I made on a copyright misadventure. I will add the videos soon!

Bridgeman vs Corel Court Decision

https://en.m.wikipedia.org/wiki/Bridgeman_Art_Library_v._Corel_Corp.

Stanford Book Copyright Renewal Database

https://library.stanford.edu/collections/copyright-renewal-database

Public Domain Day

https://web.law.duke.edu/cspd/publicdomainday/

Catalog of Copyright Entries page with links

https://onlinebooks.library.upenn.edu/cce/

Copyright Office Virtual Card Catalog 1870-1977

https://www.copyright.gov/vcc/

Title II of the Music Modernization Act that explains exactly when sound recordings pass into the public domain.

https://www.copyright.gov/music-modernization/pre1972-soundrecordings/