Columbia subject headings:
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1980-1989.
Harvard subject headings:
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1980-1989
Princeton subject headings:
NSZZ "Solidarność" (Labor organization)
Strikes and lockouts--Poland--History.
Working class--Political activity--Poland.