Columbia subject headings:
Linguistics--Italy--History--19th century--Congresses.
Neogrammarians--Congresses.
Harvard subject headings:
Linguistics--Italy--History--19th century--Congresses.
Linguistics--Study and teaching--Italy--Congresses.
Neogrammarians--Congresses.
Società italiana di glottologia--Congresses.
Princeton subject headings:
Linguistics--Italy--History--19th century--Congresses.
Neogrammarians--Congresses.