Columbia subject headings:
Harvard subject headings:
Trentino-Alto Adige (Italy)--Economic conditions--Congresses.
Trentino-Alto Adige (Italy)--History--Congresses.
Trentino-Alto Adige (Italy)--Population--History--Congresses.
Trentino-Alto Adige (Italy)--Social conditions--Congresses.
Princeton subject headings:
Trentino-Alto Adige (Italy)--Economic conditions--Congresses.
Trentino-Alto Adige (Italy)--History--Congresses.
Trentino-Alto Adige (Italy)--Population--History--Congresses.
Trentino-Alto Adige (Italy)--Social conditions--Congresses.