Columbia subject headings:
Camera, Giovanni, 1862-1929--Congresses.
Salerno (Italy)--Politics and government--Congresses.
Harvard subject headings:
Camera, Giovanni, 1862-1929--Congresses.
Italy--Politics and government--1870-1914--Congresses.
Italy--Politics and government--1914-1922--Congresses.
Politicians--Italy--Congresses.
Salerno (Italy)--History--20th century--Congresses.
Princeton subject headings:
Camera, Giovanni, 1862-1929--Congresses.
Salerno (Italy)--Politics and government--Congresses.