Columbia subject headings:
Italy--Church history--476-1400.
Harvard subject headings:
Church history--Primitive and early church, ca. 30-600
Italy--Church history--476-1400.
Princeton subject headings:
Catholic Church--Italy--History.
Christianity and other religions--Primitive--History.
Christianity and other religions--Roman--History.
Christianity--Italy--History.
Italy--Church history--15th century.
Italy--Church history--476-1400.