Hah...
When that library has Bertie Russell there and the new articulate crop of Non-aligned areligionists represented, too - so that prisoners can sample the actual Range of views on the things that go bump in the night: all the efforts to weed out the 'disturbing' will be no more nor less than the usual censorship, beloved of Puritans and certain %Islamists everywhere.
As to 'inciting violence' - what about that terrible swift sword thing? The Onward Christian soldiers marching as to war..?
(No doubt Tom Paine is notable by his absence.)
Smoke & mirrors :-/
It seems that very few actually welcome freedom of thought, as always - ie. nothing Has changed. Want to read and learn stuff? Stay outta the Pen.
Simplistic Solutions R'US