Columbia subject headings:
Harvard subject headings:
Calabria (Italy)--Ethnic relations--Congresses.
Calabria (Italy)--History--Congresses.
Calabria (Italy)--Relations--Mediterranean Region--Congresses.
Mediterranean Region--Relations--Italy--Calabria--Congresses.
Princeton subject headings:
Calabria (Italy)--Ethnic relations--Congresses.
Calabria (Italy)--History--Congresses.