Columbia subject headings:
Calamandrei, Piero, 1889-1956.
Federal government--Italy--History--20th century.
Harvard subject headings:
Calamandrei, Piero, 1889-1956
Federal government--Italy--History--20th century.
Princeton subject headings:
Calamandrei, Piero, 1889-1956.
Federal government--Italy--History--20th century.