Columbia subject headings:
Authors, Italian--20th century--Correspondence.
Bilenchi, Romano, 1909-1989--Correspondence.
Cesarini, Paolo, 1911---Correspondence.
Harvard subject headings:
Authors, Italian--20th century--Correspondence
Bilenchi, Romano, 1909---Correspondence.
Bilenchi, Romano, 1909-1989--Correspondence.
Cesarini, Paolo, 1911---Correspondence.
Princeton subject headings:
Authors, Italian--20th century--Correspondence.
Bilenchi, Romano, 1909-1989--Correspondence.
Cesarini, Paolo, 1911---Correspondence.