Columbia subject headings:
Catholic Church--Germany--Church history.
Catholic Church--Italy--History.
Germany--Church history.
Italy--Church history.
Harvard subject headings:
Catholic Church--Germany--History.
Catholic Church--Italy--History.
Germany--Church history.
Italy--Church history.
Princeton subject headings:
Catholic Church--Germany--Church history.
Catholic Church--Italy--History.
Germany--Church history.
Italy--Church history.