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