Columbia subject headings:
Harvard subject headings:
D'Annunzio, Gabriele, 1863-1938--Correspondence.
Sorge Delfico, Vinca--Correspondence.
Princeton subject headings:
Authors, Italian--19th century--Correspondence.
Authors, Italian--20th century--Correspondence.
D'Annunzio, Gabriele, 1863-1938--Correspondence.
Sorge Delfico, Vinca, -1911--Correspondence.