Columbia subject headings:
Harvard subject headings:
Classical literature--History and criticism--Congresses
Ungaretti, Giuseppe, 1888-1970--Criticism and interpretation--Congresses.
Ungaretti, Giuseppe, 1888-1970--Sources--Congresses.
Princeton subject headings:
Classical literature--Influence.
Ungaretti, Giuseppe, 1888-1970--Sources--Congresses.