Columbia subject headings:
Komitet Obrony Robotników--History.
Labor unions--Political activity--Poland--History.
Poland--Politics and government--1945-1980.
Poland--Politics and government--1980-1989.
Working class--Political activity--Poland--History.
Harvard subject headings:
Komitet Obrony Robotników--History.
Labor unions--Poland--Political activity--History.
Poland--Politics and government--1945-1980
Poland--Politics and government--1980-1989
Working class--Poland--Political activity--History.
Princeton subject headings:
Komitet Obrony Robotników--History.
Labor unions--Poland--Political activity--History.
Poland--Politics and government--1945-1980.
Poland--Politics and government--1980-1989.
Working class--Political activity--Poland--History.