Columbia subject headings:
Authors, Italian--20th century--Correspondence.
Bargellini, Piero, 1897-1980--Correspondence.
Betocchi, Carlo, 1899-1986--Correspondence.
Harvard subject headings:
Bargellini, Piero, 1897-1980--Correspondence.
Betocchi, Carlo, 1899-1986--Correspondence.
Intellectuals--Italy--Correspondence.
Princeton subject headings:
Bargellini, Piero, 1897-1980--Correspondence.
Betocchi, Carlo, 1899-1986--Correspondence.
Intellectuals--Italy--Correspondence.