Columbia subject headings:
Ascoli, Graziadio Isaia, 1829-1907--Congresses.
Linguists--Italy--Congresses.
Harvard subject headings:
Ascoli, Graziadio Isaia, 1829-1907--Congresses.
Linguists--Italy--Congresses.
Princeton subject headings:
Ascoli, Graziadio Isaia, 1829-1907--Congresses.
Language and languages--Congresses.
Philology--Italy--History.