Columbia subject headings:
NSZZ "Solidarność" (Labor organization)--Congresses.
Poland--Foreign relations--1945---Congresses.
Poland--Politics and government--1980-1989--Congresses.
Harvard subject headings:
NSZZ "Solidarność" (Labor organization)--Congresses.
Poland--Foreign relations--1945-1989--Congresses.
Poland--Politics and government--1980-1989--Congresses.
Princeton subject headings:
NSZZ "Solidarność" (Labor organization)--Congresses.
Poland--Foreign relations--1945-1989--Congresses.
Poland--Politics and government--1980-1989--Congresses.