I've limited sympathy for the publishers. It pisses me off to reflect that they can sit on works until copyright expires, keeping them out of print. There's no real need for any of these so-called rare books to be rare while they're under copyright. And related to this, the books that are in print are mostly only in print in the shittiest way. I often see well-made books from the 17th or 18th centuries which are stil…
Those books predate the development of wood pulp paper. It isn't the publisher's fault they can't economically print on rag paper anymore.