Columbia subject headings:
Harvard subject headings:
Authors, Italian--20th century--Correspondence
Betti, Ugo, 1892-1953--Correspondence.
Gadda, Carlo Emilio, 1893-1973--Correspondence.
Princeton subject headings:
Betti, Ugo, 1892-1953--Correspondence.
Gadda, Carlo Emilio, 1893-1973--Correspondence.