Note the paragraphs, "It was McGoldrick, not Carroll", and "Depends On Which Anabaptists".
The Trail of Blood: Baptist Successionism. (Warning!!! This last link is a PDF file)
I have a Masters in history specializing in the Middle Ages. I have read primary sources. I also have read Carroll and don’t agree with everything he says. But to imply that the Roman Catholic Church wasn’t the persecutor throughout most of history is to deny history.