Owen Chadwick likewise documents this: He forced every Jew to wear a yellow hat and live in a ghetto with only one exit
He caused to be published the first Index of prohibited books
Sixtus of Siena was sent to Cremona, where there was a great Hebrew school (for the destruction of the Talmud was ordered), and reported that he had burnt a store of 12,000 volumes
. Under an Inquisition with extended powers, and a pope ready to suspect everyone, there was almost a reign of terror in the city. Even if my own father were a heretic, said the Pope, I would gather the wood to burn him [Owen Chadwick, The Reformation (New York: Penguin Books, 1964), 271].
This is the same pope that started the war between the Protestants and the Catholics in England too.
(you know the one where they always accuse the Protestants of trying to kill them - he started it )
This same pope put a bunch of his own family members in charge of all kinds of catholic religious things even though they did not even have any religious training .
If you start looking at how these guys got in power and who they gave power to you start to see just how much of a joke their claim Apostolic succession really is .