Columbia subject headings:
Labor unions--Poland--Bibliography.
NSZZ "Solidarność" (Labor organization)--Bibliography.
Poland--Politics and government--1980-1989--Bibliography.
Press, Labor--Poland--Bibliography.
Harvard subject headings:
NSZZ "Solidarność" (Labor organization)--Periodicals--Bibliography.
Press, Labor--Poland--Periodicals--Bibliography.
Princeton subject headings: