Columbia subject headings:
D'Annunzio, Gabriele, 1863-1938--Criticism and interpretation--Congresses.
Harvard subject headings:
D'Annunzio, Gabriele, 1863-1938--Congresses.
D'Annunzio, Gabriele, 1863-1938--Criticism and interpretation--Congresses.
Princeton subject headings:
D'Annunzio, Gabriele, 1863-1938--Congresses.