Columbia subject headings:
Harvard subject headings:
Adria (Italy)--History--Congresses.
Bocchi, Francesco Antonio, 1821-1888--Congresses.
Veneto (Italy)--History--19th century--Congresses.
Princeton subject headings:
Adria (Italy)--History--Congresses.
Bocchi, Francesco Antonio, 1821-1888--Congresses.
Veneto (Italy)--History--19th century--Congresses.