Columbia subject headings:
Garda, Lake, Region (Italy)--Civilization--Congresses.
Italy, Northern--Civilization--Congresses.
Sirmione (Italy)--Civilization--Congresses.
Harvard subject headings:
Garda, Lake, Region (Italy)--Civilization--Congresses.
Italy, Northern--Civilization--Congresses.
Sirmione (Italy)--Civilization--Congresses.
Princeton subject headings:
Italy, Northern--Civilization--Congresses.
Sirmione (Italy)--Civilization--Congresses.