Columbia subject headings:
Authors, Italian--20th century--Correspondence.
Novaro, Mario, 1868-1944--Correspondence.
Sbarbaro, Camillo, 1888-1967--Correspondence.
Harvard subject headings:
Authors, Italian--20th century--Correspondence
Novaro, Mario, 1868-1944--Correspondence.
Sbarbaro, Camillo, 1888-1967--Correspondence.
Princeton subject headings:
Authors, Italian--20th century--Correspondence.
Novaro, Mario, 1868-1944--Correspondence.
Sbarbaro, Camillo, 1888-1967--Correspondence.