Columbia subject headings:
Harvard subject headings:
Fascism--Italy--History--20th century--Congresses.
Political prisoners--Italy--Calabria--History--20th century--Congresses.
Prisons--Italy--Calabria--History--20th century--Congresses.
Princeton subject headings:
Calabria (Italy)--Politics and government--Congresses.
Fascism--Italy--Calabria--History--Congresses.
Political prisoners--Italy--Calabria--History--20th century--Congresses.