Columbia subject headings:
Montale, Eugenio, 1896-1981--Correspondence.
Penna, Sandro--Correspondence.
Poets, Italian--20th century--Correspondence.
Harvard subject headings:
Montale, Eugenio, 1896-1981--Correspondence.
Penna, Sandro--Correspondence.
Poets, Italian--20th century--Correspondence.
Princeton subject headings:
Montale, Eugenio, 1896---Correspondence.
Penna, Sandro--Correspondence.
Poets, Italian--20th century--Congresses.