Columbia subject headings:
Clivio, Gianrenzo P.--Congresses.
Italian language--Dialects--Italy--Piedmont--Congresses.
Occitan language--Dialects--Italy--Piedmont--Congresses.
Harvard subject headings:
Clivio, Gianrenzo P.--Congresses.
Italian language--Dialects--Italy--Piedmont--Congresses.
Occitan language--Dialects--Italy--Piedmont--Congresses.
Princeton subject headings:
Clivio, Gianrenzo P.--Congresses.
Italian language--Dialects--Italy--Piedmont--Congresses.
Occitan language--Dialects--Italy--Piedmont--Congresses.