Most books published before 1964 are now in the public domain (cross-post)

Margaret DeLacy's picture

Friends:

This is cross-posted from H-HistBibl

"A quirk of copyright law means that millions of books are now free for anyone to read, thanks to some work from the New York Public Library.

... One secret of the publishing industry is that most American books published before 1964 never extended their copyright, meaning they’re in the public domain today. "

Source: Matthew Gault, Vice, August 6, 2019, https://www.vice.com/en_us/article/a3534j/libraries-and-archivists-are-scanning-and-uploading-books-that-are-secretly-in-the-public-domain