Columbia subject headings:
Harvard subject headings:
Authors, Italian--19th century--Biography--Congresses.
Authors, Italian--20th century--Biography--Congresses
D'Annunzio, Gabriele, 1863-1938--Congresses.
Statesmen--Italy--Biography--Congresses.
Princeton subject headings:
D'Annunzio, Gabriele, 1863-1938--Congresses.