Columbia subject headings:
Betocchi, Carlo, 1899-1986--Library.
Harvard subject headings:
Betocchi, Carlo, 1899-1986--Library.
Princeton subject headings:
Betocchi, Carlo, 1899-1986--Books and reading.
Betocchi, Carlo, 1899-1986--Criticism, Textual.
Betocchi, Carlo, 1899-1986--Library.