Columbia subject headings:
Harvard subject headings:
Italian language--Dialects--Italy--Piedmont--Bibliography.
Italian language--Dialects--Piedmont--Bibliography.
Piedmont (Italy)--Languages--Bibliography.
Piemonte (Italy)--Languages--Bibliography.
Valle d'Aosta (Italy)--Languages--Bibliography.
Princeton subject headings:
Italian language--Dialects--Piedmont--Bibliography.
Piedmont--Languages--Bibliography.
Valle d'Aosta (Italy)--Languages--Bibliography.