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