Columbia subject headings:
Harvard subject headings:
Catholic Church. Diocese of Sabina (Italy)--History--Sources.
Catholic Church. Diocese of Sabina (Italy)--History--To 1500--Sources.
Church buildings--Italy--Sabina (Region)
Church records and registers--Italy--Sabina (Region)
Sabina (Italy : Region)--Church history--Sources.
Sabina (Italy)--Church history--Sources.
Princeton subject headings:
Catholic Church. Diocese of Sabina (Italy)--History--To 1500--Sources.
Church records and registers--Italy--Sabina Region.
Sabina (Italy)--Church history--Sources.