Columbia subject headings:
Harvard subject headings:
Ascoli, Graziadio Isaia, 1829-1907--Congresses.
Milan (Italy)--Intellectual life--19th century--Congresses.
Princeton subject headings:
Ascoli, Graziadio Isaia, 1829-1907--Congresses.
Milan (Italy)--Intellectual life--19th century--Congresses.