Columbia subject headings:
Harvard subject headings:
Italian literature--20th century--History and criticism
Princeton subject headings:
Paulhan, Jean, 1884-1968. Correspondence.
Serra, Renato, 1884-1915--Knowledge--Philosophy.
Serra, Renato, 1884-1915--Scholia.
Ungaretti, Giuseppe, 1888-1970--Correspondence.
Vailati, Giovanni, 1863-1909--Criticism and interpretation.