Columbia subject headings:
Italy--History--1914-1922--Sources.
Italy--History--1922-1945--Sources.
Politicians--Italy--Correspondence.
Rossi, Ernesto, 1897-1967.
Socialists--Italy--Correspondence.
Harvard subject headings:
Italy--History--1914-1922--Sources.
Italy--History--1922-1945--Sources.
Politicians--Italy--Correspondence
Rossi, Ernesto, 1897-1967.
Socialists--Italy--Correspondence
Princeton subject headings:
Italy--History--1914-1922--Sources.
Italy--History--1922-1945--Sources.
Politicians--Italy--Correspondence.
Rossi, Ernesto, 1897-1967.
Socialists--Italy--Correspondence.