Columbia subject headings:
Communists--Italy--Correspondence.
Montagnani-Marelli Fusco, Tita, 1907---Correspondence.
Montagnani-Marelli, Piero, 1901-1976--Correspondence.
Harvard subject headings:
Communists--Italy--Correspondence.
Montagnani-Marelli Fusco, Tita, 1907---Correspondence.
Montagnani-Marelli, Piero, 1901-1976--Correspondence.
Politicians--Italy--Correspondence
Princeton subject headings:
Communists--Italy--Correspondence.
Montagnani-Marelli Fusco, Tita, 1907---Correspondence.
Montagnani-Marelli, Piero, 1901-1976--Correspondence.