Columbia subject headings:
Christian heresies--Europe--History.
Christian heresies--Italy--History.
Christian heretics--Europe--History.
Christian heretics--Italy--History.
Europe--Church history.
Inquisition--Europe--History.
Inquisition--Italy--History.
Italy--Church history.
Harvard subject headings:
Christian heresies--Europe--History.
Christian heresies--Italy--History.
Christian heretics--Europe--History.
Christian heretics--Italy--History.
Europe--Church history.
Inquisition--Europe--History.
Inquisition--Italy--History.
Italy--Church history.
Princeton subject headings: