Columbia subject headings:
Authors, Italian--20th century--Biography--Dictionaries--Italian.
Italian literature--20th century--Dictionaries--Italian.
Harvard subject headings:
Authors, Italian--20th century--Biography--Dictionaries--Italian.
Italian literature--20th century--Bio-bibliography--Dictionaries--Italian.
Princeton subject headings:
Authors, Italian--20th century--Biography--Dictionaries--Italian.
Dictionaries.
Italian literature--20th century--Bio-bibliography--Dictionaries--Italian.