Columbia subject headings:
Partito d'azione (Italy)--History.
Political parties--Italy--20th century.
Harvard subject headings:
Partito d'azione (Italy)--History.
Political parties--Italy--20th century.
Princeton subject headings:
Partito d'azione (Italy)--History.
Political activists--Italy--History--20th century.
Political parties--Italy--History--20th century.