Columbia subject headings:
Martial law--Poland.
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1980-1989.
Harvard subject headings:
Martial law--Poland
NSZZ "Solidarność" (Labor organization)--History.
Poland--Politics and government--1980-1989
Princeton subject headings:
Labor movement--Poland.
NSZZ "Solidarność" (Labor organization)--History.
Poland--Politics and government--1980-1989.
Social movements--Poland.