Columbia subject headings:
Communism and Christianity--Catholic Church--Italy.
Italy--Politics and government--1922-1945.
Partito della sinistra cristiana.
Harvard subject headings:
Communism and Christianity--Catholic Church--Italy.
Italy--Politics and government--1922-1945.
Partito della sinistra cristiana.
Princeton subject headings:
Christian socialism--Italy.
Communism and Christianity--Catholic Church--Italy.
Italy--Politics and government--1922-1945.
Socialism and Christianity--Catholic Church--Italy.