Originally published at: https://eduk8.me/2019/08/73-of-books-released-between-1924-and-1963-are-in-the-public-domain/
But! A recent NYPL project has paid for the already-digitized registration records to be marked up as XML. (I was not involved, BTW, apart from saying “yes, this would work” four years ago.) Now for anything that’s unambiguously a “book”, we have a parseable record of its pre-1964 interactions with the Copyright Office: the initial registration and any potential renewal.…