Columbia subject headings:
Italian poetry--20th century--Bibliography.
Italian poetry--21st century--Bibliography.
Italian poetry--Switzerland--Bibliography.
Harvard subject headings:
Italian poetry--20th century--Bibliography.
Italian poetry--21st century--Bibliography.
Italian poetry--Switzerland--Bibliography.
Princeton subject headings:
Italian poetry--20th century--Bibliography.
Italian poetry--21st century--Bibliography.
Italian poetry--Switzerland--Bibliography.