Columbia subject headings:
Italian language--Morphology--Congresses.
Italian language--Syntax--Congresses.
Harvard subject headings:
Italian language--20th century--Congresses.
Italian language--Morphology--Congresses.
Italian language--Syntax--Congresses.
Italian language--Usage--Congresses.
Princeton subject headings:
Italian language--20th century--Congresses.
Italian language--Morphology--Congresses.
Italian language--Syntax--Congresses.
Italian language--Usage--Congresses.