Columbia subject headings:
Harvard subject headings:
Bolsena (Lake, Region)--Religious life and customs--Congresses.
Bolsena (Lake, Region)--Social life and customs--Congresses.
Christina, of Bolsena, Saint, active 3rd century-4th century--Cult--Congresses.
Fasts and feasts--Catholic Church--Congresses.
Fasts and feasts--Italy--Bolsena, Lake, Region--Congresses.
Festivals--Italy--Bolsena, Lake, Region--Congresses.
Spring--Italy--Bolsena, Lake, Region--Folklore--Congresses.
Spring--Religious aspects--Christianity--Congresses.
Princeton subject headings:
Bolsena, Lake Region (Italy)--Religious life and customs--Congresses.
Bolsena, Lake Region (Italy)--Social life and customs--Congresses.
Christina, of Bolsena, Saint, active 3rd century-4th century--Cult--Congresses.
Fasts and feasts--Catholic Church--Congresses.
Fasts and feasts--Italy--Bolsena, Lake Region--Congresses.
Festivals--Italy--Bolsena, Lake Region--Congresses.
Spring--Italy--Bolsena, Lake Region--Folklore--Congresses.
Spring--Religious aspects--Christianity--Congresses.