Columbia subject headings:
Italy--Politics and government--1870-1914--Congresses.
Italy--Politics and government--1914-1945--Congresses.
Socialism--Italy--20th century--Congresses.
Turati, Filippo, 1857-1932--Congresses.
Harvard subject headings:
Italy--Politics and government--1870-1914--Congresses.
Italy--Politics and government--1914-1945--Congresses.
Socialism--Italy--History--20th century--Congresses.
Turati, Filippo, 1857-1932--Congresses.
Princeton subject headings:
Italy--Politics and government--1870-1914--Congresses.
Italy--Politics and government--1914-1945--Congresses.
Socialism--Italy--History--20th century--Congresses.
Turati, Filippo, 1857-1932--Congresses.