You bring up an interesting point (and perspective) on this. I have to admit, I honestly don't know if/how things might be regulated (if at all) for works of literary art (with historical/cultural significance).

AFAIK, with buildings these regulations (now) exists because they didn't in the past. People got really upset with other people just demolishing what they held dear, public outcry as a result and eventually regulations too. But in this situation the destruction is often driven by space being a scarce commodity (especially in cities).

I doubt that books often get destroyed to make way for new ones (barring a few criminal/extremist authoritarian regimes), so it might never have reached a point where enough people got upset about it and demand regulation.

But now I am curious though, if there are indeed regulations for these kind of works. If there are, that would essentially render my original opinion null and void.

Still, I would prefer it that way, rather than know that these works will end up in the hands of the financially powerful private hands. For I have little faith in that lot and their antics.