Columbia subject headings:
Harvard subject headings:
Confederazione generale italiana del lavoro--History.
Labor unions--Italy--Sicily--History.
Sicily (Italy)--Economic conditions--1945-
Sicily (Italy)--Politics and government--1945-
Princeton subject headings:
Confederazione generale italiana del lavoro--History.
Labor unions--Italy--Sicily--History.
Sicily (Italy)--Economic conditions--1945-
Sicily (Italy)--Politics and government--1945-