Columbia subject headings:
Harvard subject headings:
Bologna (Italy)--Politics and government--1860-1945--Congresses.
Fascism--Italy--Bologna--History--Congresses.
Italy--History--1914-1922--Congresses.
Princeton subject headings:
Bologna (Italy)--Politics and government--1860-1945--Congresses.
Fascism--Italy--Bologna--History--Congresses.
Italy--History--1914-1922--Congresses.