Columbia subject headings:
Harvard subject headings:
D'Annunzio, Gabriele, 1863-1938--Criticism and interpretation--Congresses.
Great Britain--Intellectual life--20th century--Congresses.
United States--Intellectual life--20th century--Congresses.
Princeton subject headings:
D'Annunzio, Gabriele, 1863-1938--Criticism and interpretation--Congresses.