Columbia subject headings:
Authors, Italian--20th century--Biography.
Levi, Carlo, 1902-1975.
Saba, Umberto, 1883-1957.
Harvard subject headings:
Authors, Italian--20th century--Biography
Levi, Carlo, 1902-1975.
Saba, Umberto, 1883-1957.
Princeton subject headings:
Levi, Carlo, 1902-1975.
Saba, Umberto, 1883-1957.