Columbia subject headings:
Labor unions--Poland.
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1989-
Poland--Social conditions--1980-1989.
Harvard subject headings:
Labor unions--Poland
NSZZ "Solidarność" (Labor organization)
Poland--Politics and government--1945-1980
Poland--Social conditions--1980-1989
Princeton subject headings: