I don't understand some of the comments wanting to preserve "history". If you read the post you will find that it was the book's first owner who decided to alter the book and it's not the original work. So what's your point, we should glorify some sick mind who thought it was a good idea to take and use human remains to decorate his library? Removing the binding from the book was the right decision. Returning the vic…
Because it's a fundamentally historicidal act, it's destroying some past artifact solely on the ground of contemporary morality. While not on the same level as, it's the same though process that leads to the destruction of budda statues by the talibans, or the sanding of 13-century religious engravelling by french revolutionary.
I haven't seen anyone make a compelling case for why this particular item is a significant historical artifact, other than that it was already in the collection of Harvard Library.
We pass up things that could be preserved all the time. Curation is an intrinsic part of preservation.