Columbia subject headings:
Harvard subject headings:
Belluno (Italy : Province)--Economic conditions--Congresses.
Belluno (Italy : Province)--Social conditions--Congresses.
Mountains--Italy--Veneto--Congresses.
Princeton subject headings:
Belluno (Italy : Province)--Economic conditions--Congresses.
Belluno (Italy : Province)--Social conditions--Congresses.
Mountains--Italy--Belluno (Province)--Congresses.