Columbia subject headings:
Bolsena, Lake (Italy)
Santa Cristina (Bolsena, Italy : Church)
Harvard subject headings:
Architecture--Italy--Bolsena, Lake, Region.
Bolsena (Italy)--Buildings, structures, etc.
Bolsena, Lake, Region (Italy)--Description and travel.
Santa Cristina (Church : Bolsena, Italy)
Princeton subject headings:
Cristina, of Bolsena, Saint.