Columbia subject headings:
Harvard subject headings:
Italian language--Influence--Congresses.
Italy--Languages--Grammar--Congresses.
Languages in contact--Italy--Congresses.
Linguistic minorities--Italy--Congresses.
Princeton subject headings:
Italian language--Influence--Congresses.
Italy--Languages--Grammar--Congresses.
Languages in contact--Italy--Congresses.
Linguistic minorities--Italy--Congresses.