Columbia subject headings:
Harvard subject headings:
Fascism--Italy--Rome--History--20th century.
Italy--Politics and government--1914-1922.
Labor movement--Italy--Rome--History--20th century.
Rome (Italy)--Politics and government.
Rome (Italy)--Social conditions--1870-1918.
Rome (Italy)--Social conditions.
Social conflict--Italy--Rome--20th century.
Socialism--Italy--Rome--20th century.
Socialism--Italy--Rome--History--20th century.
Princeton subject headings:
Fascism--Italy--Rome--History--20th century.
Italy--Politics and government--1914-1922.
Labor movement--Italy--Rome--History--20th century.
Socialism--Italy--Rome--History--20th century.