Librarians Are Finding Thousands Of Books No Longer Protected By Copyright Law

Up to 75 percent of books published before 1964 may now be in the public domain, according to researchers at the New York Public Library:

Claire Woodcock, "Librarians Are Finding Thousands Of Books No Longer Protected By Copyright Law," Vice, February 9, 2023, https://www.vice.com/en/article/epzyde/librarians-are-finding-thousands-of-books-no-longer...