Columbia subject headings:
Harvard subject headings:
Italian language--Dialectology--Congresses.
Italian language--History--Congresses.
Linguistics--History--Congresses
Salvioni, Carlo, 1858-1920--Congresses.
Princeton subject headings:
Italian language--Dialectology--Congresses.
Italian language--History--Congresses.
Linguistics--History--Congresses.
Salvioni, Carlo, 1858-1920--Congresses.