Columbia subject headings:
Harvard subject headings:
Rovigo (Italy : Province)--Civilization--Congresses.
Princeton subject headings:
Catholic Church--Italy--Rovigo (Province)--History--Congresses.
Christian art and symbolism--Italy--Rovigo (Province)--Congresses.
Christian heresies--Italy--Rovigo (Province)--History--Early church, ca. 30-600--Congresses.
Magic--Italy--Rovigo (Province)--Religious aspects--Christianity--Congresses.
Rovigo (Italy : Province)--Civilization--Congresses.