Columbia subject headings:
Harvard subject headings:
Labor movement--Poland--History--20th century.
Labor unions--Poland--History--20th century.
Michałowski, Andrzej, 1946-
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1980-1989
Princeton subject headings:
Labor unions--Political activity--Poland--History.
Michałowski, Andrzej, 1946-
NSZZ "Solidarność" (Labor organization)--Biography.